Sony WF-SP900 Help Manual

WF-SP900 Use this manual when you have trouble or when you need to know how to use your player. The color of the player sold in some countries/regions may differ from those shown above. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. Getting Started Before first use Manuals and general information Checking the contents of the package Using the supplied accessories Differences between the standard-type earbuds and Swimming Earbuds Switching the earbuds 1

Using the leash cord Installing Music Center for PC (Windows) Installing Content Transfer (Mac) Power and Charging Turning the power on or off Charging the battery Reducing the battery consumption Notes on charging the battery Basic Operations Parts and controls Handling the player How to place the player on your ears Detaching the player Lamp Confirming statuses from the lamps on the player Confirming statuses from the charging lamp on the charging case About the voice guidance Using the player in water Water resistant and dust proofing performance of the player Switching the earbuds to Swimming Earbuds Preventing the player from falling off while you are swimming Why does the sound become muffled when you swim? Notes while swimming in a pool or the ocean Notes on charging the battery after swimming Adjusting the volume Preventing unintentional volume operations Volume operation in compliance with European and Korean Directives Making Bluetooth connection to a smartphone 2

Connecting the player to a smartphone Connecting the player to an unpaired Android smartphone for the first time Connecting the player to an unpaired iPhone for the first time One-touch connections with a smartphone (NFC) Connecting the player to a paired smartphone Music playback on a smartphone Turning the Bluetooth function on or off Playing music from a smartphone Selecting the player or a smartphone as the sound source Notes on the Bluetooth function Notes on playing music from a smartphone Phone calls Answering a call / hanging up a call Rejecting a call Notes on the volume for calls on smartphones Using the voice-assist function Using the voice-assist function (Google app) Using the voice-assist function (Siri) Using the smartphone applications What you can do with the smartphone apps Installing Sony | Headphones Connect Installing Sony | Music Center Transferring Music Preparing music content Using a Windows computer Transferring content from a Windows computer using Music Center for PC Transferring content using Windows Explorer Importing content from the player to Music Center for PC 3

Transferring content from a Mac computer using Content Transfer Transferring content using Mac Finder Creating a playlist on a computer Notes on transferring content from a computer Playing, organizing or deleting music of the player Selecting the player or a smartphone as the sound source Playing music on the player Deleting music files from the player Various Functions Monitoring ambient sound while playing music (Ambient Sound Mode) What is Ambient Sound Mode? Using Ambient Sound Mode Using Quick Sound Settings Limiting the volume Restarting, resetting and reformatting the player Restarting the player Restarting the charging case Resetting and reformatting the player Various information and system updates Checking information on the player Updating the system software Announcement Notes on handling the player Notes on the headphones Notes on the built-in battery Notes on the sample data Notes while swimming in a pool or the ocean Notes on charging the battery after swimming General Information 4

Maintenance Customer support website Specifications Specifications Battery life Maximum recordable number of songs Supported formats System requirements Troubleshooting Power and charging The player does not function. You cannot turn on the player. You cannot charge the battery. The built-in rechargeable batteries become depleted quickly even after the player and the charging case are fully charged. Computer The computer does not recognize the player inside the connected charging case. Playing Music Sound becomes muffled (low volume). There is no sound. The player does not play tracks in the desired order. The same track or album is played repeatedly. Tracks are played in random order. Bluetooth connection Pairing fails. The Bluetooth connection fails. One-touch connection (NFC) fails. The sound skips frequently. You cannot hear a person on a call./ The volume of a caller’s voice is low. Others How to maintain and clean the player after sports (swimming or running, etc.) Tap sensors do not work. / You cannot adjust the volume. 5

WF-SP900 Before first use Thank you for purchasing a player. For information on laws, regulations, and trademark rights, refer to “Important Information” in the internal memory of your unit. To read it, open the following folders in the system storage after you connect the unit to your computer. [HEADSET] - [Information_HelpGuide] - [Important_Information] After you double-click the [index.html] file, select a language. Before you start using the player, read the topics under [Related Topic]. All other trademarks and registered trademarks are trademarks or registered trademarks of their respective holders. In this manual, TM and ® marks are not specified. Before you start using the player, check the following information. Model names Several model names appear in this [Help Guide]. Some models are not available depending on the country or region where you purchased the player. Computer system requirements When you connect the player to a computer via the charging case, check the computer system requirements. Battery charging The batteries might be low when you use the player or the charging case for the first time. Charge the batteries before use. Illustrations The illustrations shown in this [Help Guide] are for reference only. They may differ from the actual product. Design and specifications are subject to change without notice. Related Topic Manuals and general information System requirements Charging the battery Notes on handling the player Notes on the headphones Notes on the built-in battery Notes on the sample data The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 7

Notes on charging the battery after swimming General Information Maintenance Customer support website 4-740-674-12(1) Copyright 2018 Sony Corporation 8

WF-SP900 Manuals and general information Sony provides the following manuals and information regarding the player. The provided manuals explain the following operations and functions. Basic operations. Unique functions that require explanations. Complicated operations that require instructions. Help Guide This Help Guide provides the standard operating procedures only. How to transfer content to the player. How to use various functions. Notes on using the player. You can use the WF-SP900 to do the following. Listening to music files from a smartphone, etc. via a Bluetooth connection Transferring music files to the internal memory of the player and playing back the files The Help Guide refers to the product as “player.” Operating Instructions (printed) Basic steps to start listening to music after you purchase the player. Reference Guide (printed) Notes on using the player Compliance information How to access [Important Information] Read Before Using your Wireless Stereo Headset in a Pool or the Ocean (printed) How to attach Swimming Earbuds Notes on using the player in a pool or the ocean Maintenance information Important Information Information on copyrights, laws, and regulations See [Before first use] for details on viewing the information. Customer support website (online) See [Customer support website] in this [Help Guide]. The latest information on the player FAQ: Frequently Asked Questions 9

Customer support website 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 10

WF-SP900 Checking the contents of the package Wireless Stereo Headset (1) Earbuds (1 set) Swimming Earbuds (1 set) Arc supporters (1 set) Charging case (1) USB Type-C™ cable (USB-A to USB-C) (1) Leash cord (1) Reference Guide Operating Instructions Read Before Using your Wireless Stereo Headset in a Pool or the Ocean Other documents 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 11

WF-SP900 Differences between the standard-type earbuds and Swimming Earbuds Two different types of earbuds are supplied with the player. Each earbud type has the following features. Use Swimming Earbuds when you swim. Standard-type earbuds You can use the standard-type earbuds in a wide variety of situations. You can distinguish the sizes by the number of dots at the bottom of the earbuds. Swimming Earbuds Swimming Earbuds prevent water from penetrating the inside of the player. You can use Swimming Earbuds to listen to music comfortably when you swim. The holes in Swimming Earbuds are covered with a thin film. You can see the differences of sizes (S/M/L/LL) by the color of inside the earbuds. Note The volume is lower with Swimming Earbuds than with the standard-type earbuds. Turn up the volume if necessary. If you replace Swimming Earbuds with the standard-type earbuds, the volume will become louder. Adjust the volume to protect your ears. Related Topic Checking the contents of the package Switching the earbuds Switching the earbuds to Swimming Earbuds 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 12

WF-SP900 Switching the earbuds Standard-type earbuds in the M size are attached to the headphone sections at the time of purchase. To enjoy better sound quality, select earbuds with the appropriate size for each ear. Hint When the earbuds become worn, contact the nearest Sony dealer or Sony Service Center. If the earbuds get dirty, remove them from the player. Then, hand-wash the earbuds with a neutral detergent. After washing, drain off the water and reattach the earbuds. If the player does not fit your ears even after you have adjusted the mounting position of the earbuds, you can replace the arc supporters. Instructional video The following movie shows you how to attach or detach the earbuds. http://rd1.sony.net/help/mdr/mov0003/en/ Detach the earbuds from the player. Hold the player, and then twist and pull the earbuds. If the earbuds are slippery, wrap them in a soft dry cloth. 1 Attach new earbuds to the player. There are 2 mounting positions for the earbuds ( and ). At the time of purchase, they are installed in position . Adjust the mounting position so that the player fits into your ears. To prevent the earbuds from detaching or getting stuck in your ears, be sure to attach the earbuds correctly. 2 13

Differences between the standard-type earbuds and Swimming Earbuds Switching the earbuds to Swimming Earbuds Switching the arc supporters 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 14

WF-SP900 Switching the arc supporters Arc supporters in the M size are attached to the player at the time of purchase. To enjoy better sound quality, select arc supporters with the appropriate size for each ear. Note If you do not attach the arc supporters correctly, the player may mistakenly recognize the arc supporters as your ears. In this case, the player may not function properly. Instructional video The following movie shows you how to attach or detach the arc supporters. Remove the earbuds, then remove the arc supporters. 1 Attach the arc supporters ( ) so that they fit the bases of the headphone sections ( ). A: front B: backside 2 15

4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 16

WF-SP900 Using the leash cord Attach the leash cord to prevent the player from detaching and getting lost. Note Do not pull the leash cord to remove it from the player while the earbuds are still attached. If you pull the leash cord, the earbuds may become detached and get lost. Instructional video The following movie shows you how to attach or detach the leash cord. http://rd1.sony.net/help/mdr/mov0005/en/ Related Topic Switching the earbuds Preventing the player from falling off while you are swimming 4-740-674-12(1) Copyright 2018 Sony Corporation Remove the earbuds and attach the leash cord. 1 Reattach the earbuds to the player. 2 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 17

WF-SP900 Installing Music Center for PC (Windows) Music Center for PC is an application for Windows computers. Use the latest version of Music Center for PC. You can use Music Center for PC to perform the following operations. Importing content (such as music) from CDs to a computer. Organizing and managing the content. For example, you can create playlists. Transferring content on a computer to the player. Confirm the system requirements before you install Music Center for PC. Related Topic Preparing music content Transferring content from a Windows computer using Music Center for PC System requirements 4-740-674-12(1) Copyright 2018 Sony Corporation Access the Music Center for PC download website. https://www.sony.net/smc4pc/ 1 Install Music Center for PC. For details on installation, see [Download] – [Installation procedure] on the Music Center for PC support website. (https://www.sony.net/smc4pc/) 2 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 18

WF-SP900 Installing Content Transfer (Mac) Content Transfer is an application for Mac computers. Use the latest version of Content Transfer. You can transfer content that you manage with iTunes or Finder. You can simply drag-and-drop the tracks or albums to transfer them to the player. Confirm the system requirements before you install Content Transfer. Note Restart the computer if you are prompted. Follow the onscreen instructions. Related Topic Preparing music content Transferring content from a Mac computer using Content Transfer System requirements 4-740-674-12(1) Copyright 2018 Sony Corporation Access the installer for Content Transfer. https://www.sony.net/ct-mac/ 1 Open the downloaded file. [ContentTransfer.dmg] will be saved automatically to the download folder. The folder may open automatically. 2 Install Content Transfer. Run [ContentTransfer.pkg]. Follow the onscreen instructions. When you finish the installation, will be displayed. 3 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 19

WF-SP900 Turning the power on or off To turn off the player Store the player inside the charging case and close the cover. The player will turn off automatically. Charging will start, and the lamps ( ) will turn on. Remove the player from the charging case. The player will turn on automatically. The lamps ( ) will flash twice after the player has finished building the database. When you use the player for the first time after purchase, the player will automatically start pairing with a Bluetooth device. The color of the lamp ( ) will change, and the lamp ( ) will flash twice repeatedly. 1 20

Do not cover the proximity sensors ( ) with your hands for long periods. The player may mistakenly recognize your hands as your ears. In this case, the player will turn on, but the lamps ( ) will not light up. Hint The lamps ( ) do not light up when you put the player on your ears. When you are wearing the player, you will hear the voice guidance. You can also turn the power on by putting both units on your ears. The player does not have a button to turn the power on or off. Be sure to store the player inside the charging case to turn off the player when the player is not in use. When the player is not on your ears and you pause playback, the lamps ( ) and the player turn off automatically about 5 minutes after the last operation. To turn on the player, place the player on your ears. Related Topic Confirming statuses from the lamps on the player Parts and controls 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 21

WF-SP900 Charging the battery Both the player and the charging case have rechargeable batteries. Before you use the player, store the player inside the charging case and charge all of the batteries. The charging case is not water resistant. Before you store the player inside the charging case, ensure the following. The player is not wet. The accessories (earbuds, arc supporters, and leash cord) are not wet. Use a soft, dry cloth to wipe the terminals ( ) of the player well. If there is moisture on the player or on the accessories, wipe it off completely. Leave the player and accessories at room temperature to dry until no moisture remains before you start charging. 1 Store the player inside the charging case correctly, and close the cover. Confirm the left and right indications on the charging case and the player when you store the player inside the charging case. : left : right 2 Connect the USB Type-C cable to the USB Type-C port of the charging case and a USB AC adaptor. (USB Type-C cable: supplied) Then, connect the USB AC adaptor to the wall socket (wall outlet). Or, use the USB Type-C cable to connect the charging case to a running computer. Connecting the charging case to a wall socket (wall outlet) 3 22

The full charging time for each is as follows. The player: about 2.5 hours The charging case: about 3.5 hours Charging the player when you are outside The charging case has a rechargeable battery. If you charge the charging case in advance, you can charge the player using the charging case in places where there is no power supply. Check the remaining battery level of the charging case by storing the player inside the charging case or removing it from the charging case. Charge the charging case before you go outside with the player if the charging lamp ( ) or the lamps ( , ) are in the following states. The charging lamp ( ) flashes slowly. (The battery level of the charging case is low.) The lamp ( ) does not light up within 5 seconds after you store the player inside the charging case. (The battery of the charging case is depleted.) The lamp ( ) turns off about 10 seconds after you store the player inside the charging case. (The battery of the charging case is depleted.) When you need to charge the player The lamps ( , ) flash slowly (Battery level: Low). (*1) The lamps ( , ) flash quickly, and then the player turns off (Battery level: Empty). You hear the following voice guidance: Battery level low. (*1) You hear the following voice guidance, and the player turns off: Battery level empty. Please recharge Headset. Power Off. Connecting the charging case to a computer The player and the charging case will charge. The charging lamp ( ) lights up while the charging case is charging. The lamps ( , ) light up while the player is charging. The charging lamp ( ) and the lamps ( , ) turn off after the charging is complete. 23

when you are not storing the player. Note Firmly insert the USB Type-C cable all the way in. Charging will not start until you insert the USB Type-C cable completely. The charging case is not water resistant. Before you store the player inside the charging case, ensure the following. The player is not wet. The supplied accessories (earbuds, arc supporters, and leash cord) are not wet. Leave the player and accessories at room temperature until they are completely dry before you start charging. Do not use the charging case with wet hands. Do not store the player inside the charging case when the player and the accessories are wet. If the lamps ( , ) or the charging lamp ( ) flashes twice repeatedly during charging, the temperature protection function is active. This function protects the player and the charging case from battery deterioration or battery bursting. Leave the player or the charging case at a normal temperature for 1 or 2 hours. Then, charge the player and the charging case at a temperature between 5 °C and 35 °C (41 ºF to 95 ºF). The computer may not recognize the player in the connected charging case in the following situations. When you connect the player to the computer via the charging case for the first time. When you have not used the player for a long period of time. Charge the player for about 10 minutes. The player may start operating normally. When the charging case is not working correctly. Press the RESTART button on the charging case with a pen or a paper clip to restart the charging case. The charging case may slip out of your hands when you open the case cover. To prevent slipping, open the case cover in the following manner. Hold the bottom of the charging case firmly with one hand around both sides. Open the case cover with the other hand. If the terminals of the player are dirty, clean the terminals with a soft, dry cloth. You cannot operate the player in the following situations. While the player is connected to a computer via the charging case. While the batteries are charging. Depending on the USB AC adaptor, you may not be able to charge the player and the charging case. Always use the supplied USB Type-C cable. Instructional video The following movie shows you how to charge the batteries. http://rd1.sony.net/help/mdr/mov0001/en/ Related Topic Reducing the battery consumption Notes on charging the battery We recommend that you charge the charging case. *1 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 24

Confirming statuses from the lamps on the player Confirming statuses from the charging lamp on the charging case 4-740-674-12(1) Copyright 2018 Sony Corporation 25

WF-SP900 Reducing the battery consumption You can reduce the battery consumption by using the player in the following manner. The battery life depends on usage conditions. For details on the battery life, see [Battery life]. Set all sound quality settings to off. Turn off the Bluetooth function when you are not using it. Turn off Ambient Sound Mode. Related Topic Charging the battery Turning the Bluetooth function on or off Using Ambient Sound Mode Using Quick Sound Settings What you can do with the smartphone apps Notes on the built-in battery Battery life 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 26

WF-SP900 Notes on charging the battery The charging case is not water resistant. Before you store the player inside the charging case, ensure the following. The player is not wet. The supplied accessories (earbuds, arc supporters, and leash cord) are not wet. Leave the player and accessories at room temperature until they are completely dry before you start charging. Do not use the charging case with wet hands. Do not store the player inside the charging case when the player and the accessories are wet. If the lamps or the charging lamp flashes twice repeatedly during charging, the temperature protection function is active. This function protects the player and the charging case from battery deterioration or battery bursting. Leave the player or the charging case at a normal temperature for 1 or 2 hours. Then, charge the player and the charging case at a temperature between 5 °C and 35 °C (41 ºF to 95 ºF). Depending on the USB AC adaptor, you may not be able to charge the player and the charging case. Always use the supplied USB Type-C cable. Firmly insert the USB Type-C cable all the way in. Charging will not start until you insert the USB Type-C cable completely. The charging time depends on the battery usage conditions. When the battery is sufficiently charged but the battery life has dropped to about half of its normal span, the battery may be worn out. Contact the nearest Sony dealer or Sony Service Center. The computer may not recognize the player inside the connected charging case in the following situations. When you connect the player to the computer via the charging case for the first time When the player has not been used for a long period of time Charge the player for about 10 minutes. The player may start operating normally. When the charging case is not working correctly Press the RESTART button on the charging case with a pen or a paper clip to restart the charging case. The battery can be recharged about 500 times from a completely depleted state. The exact number of times may vary depending on the usage conditions. To prevent deterioration of the batteries, charge the batteries of the player and the charging case at least once every 6 months. Charging is not guaranteed when you use a homebuilt or modified computer. Charging from a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. Otherwise, the computer’s battery may run out. While you connect the player to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Do not shut down the computer. The player and the charging case may become hot while charging. This is not a malfunction. When you charge the player and the charging case using a computer, do not remove the USB Type-C cable while data is transferring. If you disconnect the USB Type-C cable, data on the player may be lost. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 27

Reducing the battery consumption Notes on charging the battery after swimming Notes on the built-in battery Battery life 4-740-674-12(1) Copyright 2018 Sony Corporation 28

WF-SP900 Parts and controls Player : left : right Tap sensors The tap sensors control the volume for music playback, the ring tone, and the caller’s voice. Tap the tap sensor on the right unit twice quickly to turn up the volume. Tap the tap sensor on the left unit twice quickly to turn down the volume. Continue tapping the tap sensor on the right unit or left unit more than twice quickly to turn the volume up or down continuously. 1. Built-in Bluetooth antenna The antenna allows the player to connect with Bluetooth devices. Do not cover the antenna part when a Bluetooth connection is active. Otherwise, the connection may be interrupted. 2. Button on the left unit Press the button to turn Ambient Sound Mode on or off. You can hear ambient sound even while you are wearing the player. Hold down the button for 2 seconds to turn the Bluetooth function on or off. Hold down the button for 7 seconds to switch the player to the pairing mode. Press the button twice quickly to turn Quick Sound Settings (*1) on or off. Press the button 3 times quickly to switch the sound source (the player or a smartphone). Hold down the button for 15 seconds to switch the player to the standby mode for reformatting the memory and all settings. Hold down the button for 30 seconds to restart the player. 3. 29

4. Tactile dot The tactile dot can help you to distinguish the left and right units of the player. 5. Button on the right unit Press the button to start or pause playback. Press the button twice quickly to skip to the next track. Press the button 3 times quickly to skip to the beginning of the current track or the previous track. While the player is connected to a smartphone, press the button to answer or hang up a call to the smartphone. Hold down the button for 2 seconds to reject a call. Hold down the button for 2 seconds to activate the voice-assist function while a Bluetooth connection is active. Hold down the button for 2 seconds to lock or release the volume operations while the Bluetooth function is off. Hold down the button for 30 seconds to restart the player. There is a tactile dot on this button. The tactile dot can help you operate buttons without looking at them. 6. Earbuds Switch the earbuds (standard-type earbuds or Swimming Earbuds) to match the conditions of use. To enjoy better sound quality, select earbuds with the appropriate size for each ear. 7. Headphone section 8. Lamps The lamps light up or flash in different colors to indicate various statuses of the player, such as the power status. 9. Proximity sensors The sensors recognize when you are wearing the player on your ears. Do not cover the proximity sensors with your hands for long periods. The player may mistakenly recognize your hands as your ears. In this case, the player will turn on. 10. Arc supporters Secure the arc supporter inside the cup-like part of your ear to prevent the player from detaching. 11. Terminals When the player is stored inside the charging case, the batteries charge through these terminals. 12. Use Sony | Headphones Connect on the smartphone to change the Quick Sound Settings (to turn Ambient Sound Mode on or off, or to change the equalizer settings). *1 Cover 1. Player compartment Confirm the positions of the left unit and right unit when you store the player. 2. Charging lamp The lamp lights up while the case is charging. If the lamp flashes, the battery is low, or there is a battery error. 3. N-mark 4. 30

Touch a Bluetooth device to this mark to establish a Bluetooth connection. (The Bluetooth device must support the NFC function.) Touch the Bluetooth device to this mark again to disconnect the Bluetooth device and the player. USB Type-C port Connect the USB Type-C cable to this port. (USB Type-C cable: supplied) Connect the other end of the USB Type-C cable to a USB AC adaptor or a computer to charge the batteries or transfer music files to the player. 5. RESTART (restart) button Press the button with a pen or a paper clip to restart the charging case. You may be able to solve the problem with the charging case. 6. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 31

WF-SP900 How to place the player on your ears Select earbuds with the appropriate size for each ear. If the earbuds do not stay in your ears, try another size. Check the left and right units. : left : right 1 Place the player so that the earbuds fit in your ears snugly. 2 Secure the arc supporter inside the cup-like part of your ear. 3 Adjust the player so it feels comfortable. 4 32

To use the player for swimming, change the earbuds to Swimming Earbuds. Note Fit the player into your ears while the earbuds and your ears are still dry. To use the player for swimming, fit the player into your ears securely. If there is a gap between your ears and the player, water will get into your ears. Instructional video The following movie shows you how to place the player on your ears. http://rd1.sony.net/help/mdr/mov0003/en/ Related Topic Differences between the standard-type earbuds and Swimming Earbuds Switching the earbuds Switching the earbuds to Swimming Earbuds Switching the arc supporters Detaching the player 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 33

WF-SP900 Detaching the player When you detach the player from your ears, follow the instructions and notes below. Note Do not suddenly detach the player when the earbuds are inserted firmly in your ears. Otherwise, the following problems may occur. Your ears or eardrums may be damaged. The earbuds may remain in your ears. Instructional video The following movie shows you how to detach the player. http://rd1.sony.net/help/mdr/mov0003/en/ Related Topic Maintenance 4-740-674-12(1) Copyright 2018 Sony Corporation Gently move the player up and down. Then, detach the player from your ears. 1 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 34

WF-SP900 Confirming statuses from the lamps on the player When the player is not on your ears, the lamps inform you of the condition of the player. When the Bluetooth function is off The lamps ( and ) indicate the statuses of the player and the batteries. The lamps ( and ) have various colors and flashing patterns. Charging While the player is inside the charging case, the batteries of the player charge automatically from the charging case. The lamps ( and ) light up. When charging is finished, the lamps ( and ) turn off. When you charge the batteries at an ambient temperature outside the range of 5 °C to 35 °C (41 ºF to 95 ºF), the lamps ( and ) flash twice repeatedly. When you remove the player from the charging case (Power on) The player is building a database. The lamp ( ) flashes. The player is turned on. The lamps ( and ) flash twice. The batteries are low. The lamps ( and ) flash for 15 seconds after the above pattern. When the batteries are depleted 35

When you leave the player outside the charging case without playing music for more than 5 minutes (Power off) The lamps ( and ) light up for 2 seconds, and then the player turns off. When you connect the player to a computer via the charging case Either of the following operations is in progress. Data is currently transferring from the computer to the player. The player is building a database after you transferred music to the player. The lamp ( ) flashes. Do not disconnect the player and the charging case from the computer. The system software of the player is updating. An error occurred while the system software of the player was updating. The lamp ( ) flashes. Update the system software again. When you put the player on your left ear or on both ears, you will hear the voice guidance: Please update the software When the Bluetooth function is on The lamp ( ) indicates the status of the Bluetooth connection. It also has various flashing patterns. Only the lamp ( ) indicates the status of the Bluetooth function. Pairing is in progress The player is pairing with a Bluetooth device. The player is waiting for a connection The player is waiting for a connection (The batteries are low) 36

The lamp ( ) turns off after 5 seconds. When you receive a call The connected smartphone is receiving a call. Note In this case, the player will turn on, but the lamps ( and ) will not light up. To reduce the battery consumption, do not cover the proximity sensors with your hands. Related Topic Charging the battery Confirming statuses from the charging lamp on the charging case Restarting the player Resetting and reformatting the player Turning the Bluetooth function on or off Connecting the player to an unpaired Android smartphone for the first time Connecting the player to an unpaired iPhone for the first time 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 37

WF-SP900 Confirming statuses from the charging lamp on the charging case The charging case has a rechargeable battery. The charging lamp ( ) indicates the condition of the battery. Charging The charging lamp ( ) lights up during charging. When charging is finished, the charging lamp ( ) turns off. When you charge the battery at an ambient temperature outside the range of 5 °C to 35 °C (41 ºF to 95 ºF), the charging lamp ( ) flashes twice repeatedly. When the battery is low The battery of the charging case is low. In this case, the charging lamp ( ) flashes for 15 seconds when you remove the player from the charging case or store the player inside the charging case. Related Topic Charging the battery Confirming statuses from the lamps on the player 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 38

WF-SP900 About the voice guidance You will hear the voice guidance in the following situations: Both units are on your ears. Only the left unit is on your ear. You will not hear the voice guidance when you put only the right unit on your ear. When you remove the player from the charging case and put the player on both of your ears, you will hear a startup sound. Then, you will hear guidance messages about the current battery level (high/about halfway depleted/low) and sound source (Headphone Mode/Player Mode). Battery level high. / Battery level medium. / Battery level low. Headphone mode / Player mode You will hear one of the following guidance messages, according to the change in the status of the player. When you turn on the Bluetooth function: Bluetooth ON When you turn off the Bluetooth function: Bluetooth OFF When the player enters the pairing mode: Bluetooth Pairing When the player establishes a Bluetooth connection: Bluetooth connected, headphone mode When the player disconnects from a Bluetooth device (The player automatically switches from the Headphone Mode to the Player Mode.): Bluetooth disconnected, player mode The connected Bluetooth device disconnects from the player. / The player tries to connect to another Bluetooth device. : Bluetooth disconnected When the battery level of the player is low: Battery level low. When you need to charge the player due to low battery: Battery level empty. Please recharge Headset. Power Off. When you turn on Ambient Sound Mode: Ambient Sound ON When you turn off Ambient Sound Mode: Ambient Sound OFF When you turn on the Quick Sound Settings function: Quick Sound Settings ON When you turn off the Quick Sound Settings function: Quick Sound Settings OFF When you lock the volume operations: Tap function OFF When you release the volume operations: Tap function ON When you turn on the AVLS function: AVLS ON When you turn off the AVLS function: AVLS OFF Related Topic Notes on charging the battery Notes on charging the battery after swimming Adjusting the volume Preventing unintentional volume operations Turning the Bluetooth function on or off Using Ambient Sound Mode The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 39

WF-SP900 Water resistant and dust proofing performance of the player Liquids that the water resistant performance specifications apply to The types of liquid that the water resistant specifications of the player apply to are as follows. Applicable: Fresh water, tap water, perspiration, pool water, salt water Not applicable: Liquids other than those above (examples: soapy water, detergent water, water with bath agents, shampoo, hot spring water, etc.) The water resistant performance of the player is based on our measurements under the conditions described in this section. Note that malfunctions as a result of water immersion caused by misuse by the customer are not covered by the limited warranty. Water resistant and dust proofing performance of the player The water resistance specifications(*1) of this player are equivalent to IEC 60529 “Degrees of protection against ingress of water (IP Code)” IPX5/8(*2), and the dust proofing specifications of this player are equivalent to IEC 60529 “Degrees of protection against solid foreign objects” IP6X(*3). If you use the player in a swimming pool, do not exceed a depth of 2 m (6.5 feet) while wearing it. Be sure to read and understand the water resistant/dust proof specifications completely before use. Related Topic Switching the earbuds to Swimming Earbuds Why does the sound become muffled when you swim? Notes while swimming in a pool or the ocean Notes on charging the battery after swimming 4-740-674-12(1) Copyright 2018 Sony Corporation (*1) The headphone sections are not completely watertight. IPX5 (Degrees of protection against jets of water): The player, when Swimming Earbuds are attached, has been tested under and maintains its operability under the following test conditions: When exposed to direct streams of water from any direction where approximately 12.5 l/min. of water is supplied for more than 3 minutes from a distance of approximately 3 m using a nozzle with an inner diameter of 6.3 mm. However, this does not apply to the headphone sections. IPX8 (Degrees of protection against continual water submersion): The player, when Swimming Earbuds are attached, has been tested to and maintains its operability when submersed in water to a depth of 2 m for 30 minutes. (*2) IP6X (Degrees of protection against dust): The player, when Swimming Earbuds are attached, has been tested to and continues to block dust after stirring for 8 hours in a testing device which contains dust particles that are up to 75 μm in diameter. (*3) The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 41

WF-SP900 Switching the earbuds to Swimming Earbuds Use Swimming Earbuds when you swim. Select the appropriate Swimming Earbuds. The standard-type earbuds are attached when you purchase the player. The standard-type earbud has an open hole ( ). The holes in Swimming Earbuds are covered with a thin film ( ). This prevents water from getting inside. 1 Select Swimming Earbuds with the appropriate size. 4 different sizes (S/M/L/LL) are supplied. Select a size with a slightly tighter fit than the standard-type earbuds. Select the appropriate size for each ear. 2 Attach Swimming Earbuds to the player. There are 2 mounting positions for the earbuds: and . At the time of purchase, they are installed in position . Adjust the mounting position so that the player fits into your ears. Secure the earbuds firmly to the headphone sections to prevent the earbuds from detaching and remaining inside your ears. 3 42

If the earbuds become dirty, remove them from the player. Then, hand-wash the earbuds with a neutral detergent. After you wash the earbuds, drain off the water and reattach the earbuds. If the player does not fit your ears even after you have adjusted the mounting position of the earbuds, you can replace the arc supporters. Instructional video The following movie shows you how to attach or detach the Swimming Earbuds. http://rd1.sony.net/help/mdr/mov0005/en/ Related Topic Water resistant and dust proofing performance of the player Differences between the standard-type earbuds and Swimming Earbuds 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 43

WF-SP900 Preventing the player from falling off while you are swimming Attach the leash cord to prevent the player from detaching and getting lost. Note Do not pull the leash cord to remove it from the player while the earbuds are still attached. If you do, the earbuds may become detached and get lost. Instructional video The following movie shows you how to attach or detach the leash cord. http://rd1.sony.net/help/mdr/mov0005/en/ Remove the earbuds and attach the leash cord. 1 Reattach the earbuds to the player. 2 Hold the leash cord in place with your swimming goggles, in a position such as the back of your head (at the point indicated by the arrow). The player will become more stable, and you can prevent it from detaching due to water pressure and getting lost. 3 44

4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 45

WF-SP900 Why does the sound become muffled when you swim? The sound may become muffled in the following situations. Water has penetrated the headphone sections from the gap between your ears and the headphone sections ( ). The earbuds may not fit your ears securely. Select earbuds with the appropriate size for each ear. Water has penetrated and accumulated inside the player ( ). If you are using the standard-type earbuds, switch them to Swimming Earbuds. How to remove the water if the sound becomes muffled If the sound becomes muffled, remove the water as follows. Remove the water from your ears. Remove the water from the headphone sections ( ). Remove the earbuds from both units. Then, pat the headphone sections ( ) lightly 5 to 10 times against a dry cloth. 46

Switching the earbuds to Swimming Earbuds Maintenance 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 47

WF-SP900 Notes while swimming in a pool or the ocean You can disable volume operations to prevent accidental operation. Put both units on your ears and hold down the button ( ) for 2 seconds to turn off the Bluetooth function. Then, hold down the button ( ) for 2 seconds to deactivate volume operations using the tap sensors. Hold down the button ( ) for 2 seconds again to re-enable volume operations using the tap sensors. You can also re-enable both tap sensors by storing the player inside the charging case. Do not use the player in a crowded place or in circumstances where an inability to hear surrounding sounds would be dangerous. When you use the player in public or private swimming facilities, follow the rules of that facility. The earbuds create a seal in your ear canal. Thus, there is a risk of damage to your ears or eardrums if strong pressure is applied to the earbuds, or the earbuds are removed suddenly from your ears. Due to this risk, do not do vigorous exercise, dive into a swimming pool, etc., while wearing the player. Do not pour hot water directly on the player and do not blow hot air from a hair dryer, etc., directly on the player. Never use the player in high-temperature locations such as in saunas or near a stove. Do not use or leave the player in the following types of environment: in high temperature locations with a temperature above 35 °C (95 ºF) such as under the blazing sun, in a car, in warm water or other high temperature and high humidity locations in a cold locations with a temperature below –5 °C (23 ºF) If you cannot avoid using the player in a location exposed to direct sunlight, cover the player with a towel, etc. The sound volume is lower with Swimming Earbuds than with standard-type earbuds. Increase the volume as needed. When you replace Swimming Earbuds with the standard-type earbuds, the sound becomes louder. Adjust the volume so as not to hurt your eardrums. The player may detach and fall during vigorous exercise, etc. The player will sink if dropped in water. Radio waves do not transmit through water. You cannot perform the following operations via a Bluetooth connection underwater. Listening to music on a smartphone. Answering a call. The following preparations are necessary in order to listen to music on the player under water. Transfer music files from a computer to the player. Windows: Use Music Center for PC, or drag and drop music files from Windows Explorer. Mac: Use Content Transfer, or drag and drop music files from Finder. Hold down the button ( ) for 2 seconds to turn the Bluetooth function off. The charging case is not water resistant. Before you store the player inside the charging case, ensure the following. The player is not wet. 48

Leave the player and accessories at room temperature to dry until no moisture remains before you start charging. Do not use the charging case with wet hands. Do not store the player inside the charging case when the player and the accessories are wet. Notes on Ambient Sound Mode When the Swimming Earbuds are attached, ambient sound cannot be heard as well as when standard-type earbuds are attached. Ambient sounds cannot be heard well after using the player in a pool or the ocean. Repeatedly pat the parts around the buttons of the player softly against a dry cloth about 30 times. Then place the player on a dry cloth at room temperature for 2 to 3 hours to ensure it is completely dry before the next use. Related Topic Water resistant and dust proofing performance of the player Adjusting the volume Preventing unintentional volume operations Differences between the standard-type earbuds and Swimming Earbuds 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 49

WF-SP900 Notes on charging the battery after swimming The charging case is not water resistant. Before you store the player inside the charging case, ensure the following. The player is not wet. The supplied accessories (earbuds, arc supporters, and leash cord) are not wet. Leave the player and accessories at room temperature until they are completely dry before you start charging. Do not use the charging case with wet hands. Do not store the player inside the charging case when the player and the accessories are wet. Related Topic Water resistant and dust proofing performance of the player Notes on charging the battery 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 50

WF-SP900 Adjusting the volume Hint If the tap sensors do not react to tapping, try the following. Tap with the tip of your finger, rather than the pad of your finger. Tap a little harder. If the voice guidance is too loud while you are listening to music in the Headphone Mode, try the following. Turn down the volume on the player and then turn up the volume on the smartphone. You can disable volume operations to prevent accidental operation. Put both units on your ears and hold down the button ( ) for 2 seconds to turn off the Bluetooth function. Then, hold down the button ( ) for 2 seconds to deactivate volume operations using the tap sensors. Hold down the button ( ) for 2 seconds again to re-enable volume operations using the tap sensors. You can also re-enable both tap sensors by storing the player inside the charging case. Note You can adjust the volume only when you put both units on your ears. You cannot adjust the volume of the voice guidance. When you listen to music stored on the player (Player Mode), you can adjust the volume only during playback. Tap the sensor ( ) twice quickly to turn up the volume. Tap the sensor ( ) twice quickly to turn down the volume. If you continue to tap the sensor ( or ) more than twice quickly, you can turn the volume up or down continuously. There are 31 volume levels, from 0 to 30 (default volume: 10). 1 51

Volume operation in compliance with European and Korean Directives 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 52

WF-SP900 Preventing unintentional volume operations Unintentional volume changes may occur due to external factors (such as water flow or bubbles during swimming) or unexpected movement during exercise. Lock the tap sensors to prevent unintentional volume operations and maintain a constant volume. To reactivate volume operations with the tap sensors Hold down the button ( ) for 2 seconds again. You will hear the voice guidance: Tap function ON. The tap sensors will be reactivated. Hint You can also reactivate both tap sensors by storing the player inside the charging case. 4-740-674-12(1) Copyright 2018 Sony Corporation Put both units of the player on your ears. 1 If the Bluetooth function is on, hold down the button ( ) for 2 seconds to turn off the Bluetooth function. 2 Hold down the button ( ) for 2 seconds. You will hear the voice guidance: Tap function OFF. The tap sensors will be locked. 3 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 53

WF-SP900 Volume operation in compliance with European and Korean Directives For European customers For Korean customers The voice guidance “Check the volume level” is intended to protect your ears. You will hear this voice guidance initially after you turn up the volume to a harmful level. Press any button or tap either of the tap sensors to cancel the alarm and warning. Note You can turn up the volume after you cancel the alarm and warning. After the initial warning, the alarm and warning will repeat every 20 cumulative hours that the volume is set to a level that is harmful to your ears. When this happens, the volume will turn down automatically. If you turn off the player after you have selected a high volume that may damage your eardrums, the volume level will automatically be lower when you turn on the player the next time. The alarm does not sound when the player is in the Headphone Mode. Related Topic Adjusting the volume 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 54

WF-SP900 What you can do with the BLUETOOTH® function The player uses Bluetooth wireless technology. With Bluetooth wireless technology, you can do the following: Listen to music on a Bluetooth device wirelessly. Answer and hang up a phone call from a smartphone wirelessly. Change the settings on the player using Sony | Headphones Connect (smartphone app). Perform playback operations on the player using Sony | Music Center (smartphone app). Listening to music You can receive audio signals from Bluetooth devices (*1) to enjoy music wirelessly. You cannot use other devices to play music on the player via a Bluetooth connection. Answering a phone call / hanging up a phone call You can answer and hang up a phone call via an active Bluetooth connection. Related Topic Turning the Bluetooth function on or off Notes on the Bluetooth function Smartphones, mobile phones, or music players, etc. *1 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 55

WF-SP900 Connecting the player to an unpaired Android smartphone for the first time If you connect the player to an Android smartphone, you can listen to music on the smartphone. Before you use the player with an Android smartphone, pair the player and the smartphone. This registration is called “pairing”. After you pair the player and the Android smartphone for the first time, the player and the smartphone will store pairing information for each other. You can easily connect the player to the Android smartphone after the first time. Remove the player from the charging case to turn the player on. 1 Hold down the button ( ) for 7 seconds. The lamp ( ) will flash twice repeatedly. Pairing will start. If the player does not have any pairing information, pairing will start automatically. 2 Turn on the Bluetooth function on the smartphone. 3 Tap the model name of the player. 4 57

Note Once you have successfully completed pairing, you do not have to pair the devices again for future connections between them. Pairing information is deleted in the following situations. Pair the player and the Android smartphone again. One or both of the player and the smartphone are reset to the factory settings. Pairing information is deleted from one or both of the player and the smartphone (such as when the player or the smartphone is repaired). If pairing information for the Android smartphone is deleted from the player, but pairing information for the player remains on the smartphone, delete the information from the smartphone. Then, register the player and the smartphone to each other again. The above procedure is an example. For details, refer to the operating manual for the Android smartphone. Instructional video The following movie shows you how to connect the player to an Android smartphone for the first time and subsequent times. http://rd1.sony.net/help/mdr/mov0002/en/ Related Topic Depending on the smartphone that you are using, the search may start automatically. If passkey input is required, enter “0000”. The passkey may also be called a “pass code”, “PIN code”, “PIN number”, or “password”. Make sure that the player and the smartphone are paired to each other. When the connection is established, the lamp ( ) flashes for 5 seconds. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 58

Connecting the player to a paired smartphone One-touch connections with a smartphone (NFC) Notes on the Bluetooth function Confirming statuses from the lamps on the player 4-740-674-12(1) Copyright 2018 Sony Corporation 59

WF-SP900 Connecting the player to an unpaired iPhone for the first time If you connect the player to an iPhone, you can listen to music on iPhone. Before you use the player with an iPhone, pair the player and the iPhone. This registration is called “pairing”. After you pair the player and the iPhone for the first time, the player and the iPhone will store pairing information for each other. You can easily connect the player to the iPhone after the first time. Remove the player from the charging case to turn the player on. 1 Hold down the button ( ) for 7 seconds. The lamp ( ) will flash twice repeatedly. Pairing will start. If the player does not have any pairing information, pairing will start automatically. 2 Turn on the Bluetooth function on the iPhone. 3 Tap the model name of the player. 4 60

Pairing information is deleted in the following situations. Pair the player and the iPhone again. One or both of the player and the iPhone are reset to the factory settings. Pairing information is deleted from one or both of the player and the iPhone (such as when the player or the iPhone is repaired). If pairing information for the iPhone is deleted from the player, but pairing information for the player remains on the iPhone, delete the information from the iPhone. Then, register the player and the iPhone to each other again. The above procedure is an example. For details, refer to the operating manual for the iPhone. Instructional video The following movie shows you how to connect the player to an iPhone for the first time and subsequent times. http://rd1.sony.net/help/mdr/mov0002/en/ Related Topic Turning the Bluetooth function on or off Connecting the player to a paired smartphone Notes on the Bluetooth function Confirming statuses from the lamps on the player If passkey input is required, enter “0000”. The passkey may also be called a “pass code”, “PIN code”, “PIN number”, or “password”. Make sure that the player and the iPhone are paired to each other. When the connection is established, the lamp ( ) flashes for 5 seconds. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 61

WF-SP900 One-touch connections with a smartphone (NFC) When you touch an NFC-compatible smartphone to the charging case, the player pairs with the smartphone. You can establish or terminate a Bluetooth connection through a simple operation. Compatible smartphones NFC-compatible smartphones with Android 4.1 or later NFC NFC (Near Field Communication) technology enables short-range wireless communication between various devices (such as smartphones and IC tags). You can perform the following operations by touching an NFC-compatible smartphone to the N-mark on the charging case. Pairing the player with the smartphone. Establishing a Bluetooth connection. Terminating a Bluetooth connection. Unlock the smartphone screen. 1 Turn on the NFC function on the smartphone. For details, refer to the operating manual for the smartphone. 2 Remove the player from the charging case to turn the player on. 3 If the Bluetooth function is off, hold down the button ( ) for 2 seconds to turn on the Bluetooth function. The lamp ( ) will flash slowly. If the player is on both of your ears, the lamp ( ) will not light up. You will hear voice guidance instead. 4 Touch the N-mark on the smartphone ( ) to the N-mark on the charging case ( ). Hold the charging case and the smartphone together until the smartphone responds. If you cannot find the N-Mark on the smartphone, refer to the operating manual for the smartphone. 5 63

While the player is outside of the charging case and the power is on, touch the N-mark on the smartphone ( ) to the N- mark on the charging case ( ) again. When you disconnect the player from a smartphone by touching the devices together, the player switches to the Player Mode. Hint If you cannot connect the player to the smartphone, try the following: If the screen of the smartphone is locked, unlock the screen. Move the smartphone slowly over the N-Mark on the charging case ( ). If the smartphone is inside a case, take it out of the case. If you turn off the player while the Bluetooth function is active, the Bluetooth function will turn on automatically the next time you turn on the player. Related Topic Turning the power on or off Turning the Bluetooth function on or off Notes on the Bluetooth function Confirming statuses from the lamps on the player 4-740-674-12(1) Copyright 2018 Sony Corporation Follow the onscreen instructions of the smartphone to complete the pairing and connection. When the player connects to the smartphone, the lamp ( ) flashes quickly for 5 seconds. Then, the lamp ( ) flashes slowly every 5 seconds. 6 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 64

WF-SP900 Connecting the player to a paired smartphone If you have paired the player and a smartphone before, the player is registered to the smartphone. You can connect the player to the smartphone easily. Hint When the player connects to the smartphone, the model name of the player appears on the screen of the smartphone. If the player is not connected, tap the model name. To listen to music stored on the player while the player is connected to the smartphone, switch to the Player Mode by pressing the button ( ) 3 times quickly. If the connection fails, try the following. Turn off the Bluetooth function on the player, and then turn it on again. Turn off the Bluetooth function on the smartphone, and then turn it on again. If you turn off the player while the Bluetooth function is active, the Bluetooth function will turn on automatically the next time you turn on the player. Instructional video The following movie shows you how to connect the player to a smartphone for the first time and subsequent times. Turn on the Bluetooth function on the last connected smartphone. 1 Remove the player from the charging case to turn the player on. 2 If the Bluetooth function is off, hold down the button ( ) for 2 seconds to turn on the Bluetooth function. The player will connect to the last connected smartphone. The lamp ( ) will flash for 5 seconds. If you have set the player on your ears and turned on the Bluetooth function, you will hear voice guidance instead. 3 65

Connecting the player to an unpaired iPhone for the first time One-touch connections with a smartphone (NFC) Notes on the Bluetooth function Confirming statuses from the lamps on the player Selecting the player or a smartphone as the sound source 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 66

WF-SP900 Turning the Bluetooth function on or off To turn off the Bluetooth function Hold down the button ( ) for 2 seconds again. The color of the lamp ( ) will change and the lamp will flash once every 5 seconds. If you have set the player on your ears and turned on the Bluetooth function, you will hear voice guidance instead. Hint The battery life becomes considerably shorter when the Bluetooth function is active. When you connect the player to a Bluetooth device, the player enters the Headphone Mode automatically. To switch to the Player Mode, press the button ( ) 3 times quickly. When the player enters the Player Mode, playback on the Bluetooth device stops automatically. Hold down the button ( ) for 2 seconds while the player is on to turn on the Bluetooth function. The lamp ( ) will flash slowly while the player searches for the Bluetooth device. The player will connect to the last connected Bluetooth device automatically, and then the lamp ( ) will flash for 5 seconds. If you have set the player on your ears and turned on the Bluetooth function, you will hear voice guidance instead. 1 67

turn on the player. Related Topic One-touch connections with a smartphone (NFC) Connecting the player to an unpaired Android smartphone for the first time Connecting the player to an unpaired iPhone for the first time Connecting the player to a paired smartphone Notes on the Bluetooth function Playing music from a smartphone Confirming statuses from the lamps on the player Selecting the player or a smartphone as the sound source 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 68

WF-SP900 Playing music from a smartphone You can play music that is stored on a smartphone via a Bluetooth connection. Hint If the playback volume is too low or barely audible, adjust the volume on the smartphone. If the volume is still too low, raise the volume on the player. To listen to music stored on the player while the player is connected to a smartphone, press the button ( ) 3 times quickly to switch to the Player Mode. If you turn off the player while the Bluetooth function is active, the Bluetooth function will turn on automatically the next time you turn on the player. If the voice guidance is too loud for playing back music, try the following. Turn down the volume on the player, and then turn up the volume on the smartphone. Note Depending on the smartphone or the app, you may not be able to play the music with the player. In this case, play the music by operating the smartphone. Depending on the Bluetooth device, network environment, and surrounding conditions, you may hear noise, or the sound may be interrupted. Instructional video The following movie shows you how to play music on a smartphone. http://rd1.sony.net/help/mdr/mov0004/en/ While both units of the player are on your ears, hold down the button ( ) for 2 seconds to turn on the Bluetooth function. The player will connect to the last connected smartphone automatically. Then, you will hear voice guidance. 1 Press the button ( ) to start playback. Playback of music from the smartphone will start. To pause playback, press the button ( ). 2 69

Connecting the player to an unpaired Android smartphone for the first time Connecting the player to an unpaired iPhone for the first time Connecting the player to a paired smartphone Notes on the Bluetooth function Confirming statuses from the lamps on the player Selecting the player or a smartphone as the sound source Adjusting the volume 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 70

WF-SP900 Selecting the player or a smartphone as the sound source When the player is connected to a smartphone, you can select one of the following sound sources. Player Mode You can listen to music on the player. While you are listening to music on the player, you can answer or hang up a call to the smartphone. Headphone Mode You can listen to music on a smartphone with the player. You can answer or hang up a call to the smartphone. Hint When you connect the player to a smartphone, the player enters the Headphone Mode automatically. When you change the sound source from a smartphone to the player, playback on the smartphone stops automatically. If you turn off the player while the Bluetooth function is active, the Bluetooth function will turn on automatically the next time you turn on the player. Note You will hear the voice guidance in the following situations: Both units are on your ears. Only the left unit is on your ear. If you use the player in Player Mode while the Bluetooth function is on, the playback time will be shorter than when the Bluetooth function is off. You can switch the sound source only while the player and the smartphone are connected to each other. Instructional video The following movie shows you how to switch sound sources and how to perform playback operations. http://rd1.sony.net/help/mdr/mov0004/en/ Press the button ( ) 3 times quickly while the Bluetooth function is active. Each time you press the button ( ) 3 times quickly, the mode toggles. You will hear the voice guidance: Player mode or Headphone mode 1 71

Playing music on the player 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 72

WF-SP900 Notes on the Bluetooth function In this topic, [Bluetooth devices] refers to all Bluetooth-compatible devices. Bluetooth-compatible devices are audio devices, smartphones, etc. that support the Bluetooth function. Depending on the Bluetooth device, network environment, and surrounding conditions, noise may be heard or the sound may be interrupted. To optimize Bluetooth communications, observe the following. Place the player and the Bluetooth device as close together as possible. The Bluetooth standard supports distances of up to 10 meters (32.8 feet). Turn the built-in Bluetooth antenna (aerial) in the direction of the connected Bluetooth device. Do not block the antenna (aerial) with a metal object. Do not block the antenna (aerial) with a body part such as a hand. Do not block the antenna (aerial) by placing the player inside a backpack or shoulder bag. Do not block the antenna (aerial) by using the player in a crowded place. Avoid areas where electromagnetic waves are emitted. For example, near microwave ovens, mobile phones, mobile gaming devices, or wireless LAN environments. Due to a characteristic of Bluetooth wireless technology, the sound may lag slightly. Bluetooth radiation may affect the operation of electronic medical devices. Turn off the player and other Bluetooth devices in the following locations. in hospitals near priority seats on trains on airplanes in places where flammable gases are present (gas stations, etc.) near automatic doors near fire alarms The player supports security functions that comply with the Bluetooth standard. Sony bears no responsibility whatsoever for information leaks that occur as a result of your Bluetooth connection. Even if a Bluetooth device conforms to the standard, all connections and correct operations are not guaranteed. Depending on the Bluetooth device, it may take some time to establish a Bluetooth connection. 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 73

WF-SP900 Notes on playing music from a smartphone Due to the characteristics of Bluetooth technology, the radio waves may be blocked by your body. Therefore, the sound from the smartphone may be interrupted. There is a built-in Bluetooth antenna on the left unit of the player. If the sound is interrupted, try the following: Carry the smartphone on the front-left side of your body. Rotate the smartphone. Note For details on how to attach the smartphone to your body, refer to the operating manual for the smartphone. 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 74

WF-SP900 Answering a call / hanging up a call You can answer a call to your smartphone. You need to establish a Bluetooth connection between the player and the smartphone in advance. Hint While you are talking on a phone, Ambient Sound Mode is turned off. When you hang up the call, Ambient Sound Mode will automatically turn back on. Put the player on both of your ears when you answer or hang up a call. Note Do not cover the microphone parts ( ) with your hands or other objects when you talk into the player. The player supports normal incoming calls only. The player does not support calling apps for smartphones and computers. Related Topic Connecting the player to an unpaired Android smartphone for the first time Connecting the player to an unpaired iPhone for the first time Connecting the player to a paired smartphone One-touch connections with a smartphone (NFC) Notes on the volume for calls on smartphones Rejecting a call 4-740-674-12(1) Copyright 2018 Sony Corporation Press the button ( ) to answer a call. 1 Press the button ( ) to hang up the call. 2 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 75

WF-SP900 Rejecting a call When the player is connected to a smartphone, you can reject a call using the player. You can reject a call only when you put both units on your ears. Related Topic Answering a call / hanging up a call 4-740-674-12(1) Copyright 2018 Sony Corporation Hold down the button ( ) for 2 seconds when you receive a call. 1 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 76

WF-SP900 Notes on the volume for calls on smartphones The volume for music and the volume for calls are independent of each other. You can adjust the volume for calls while you are talking on the phone. When you hang up the call, the volume returns to the level for music. If the AVLS function is active, the player will keep the volume for calls at a moderate level. Related Topic Answering a call / hanging up a call Limiting the volume 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 77

WF-SP900 Using the voice-assist function (Google app) When you use the Google app feature that comes with an Android smartphone, you can operate the Android smartphone by speaking into the microphones of the player. Connect the player to the Android smartphone via a Bluetooth connection in advance. When you use the Google app, you will hear the voice from the smartphone through both units. Note Even if you activate the [Ok Google] setting on the Android smartphone, you cannot launch the Google app by saying “Ok Google” into the microphone of the player. For details on the Google app, refer to the operating instructions or the support website for the Android smartphone. You may not be able to activate the Google app from the player, depending on the specifications of the Android smartphone. Depending on the model of the Android smartphone, you may not hear the following sounds from apps. Put both units of the player on your ears. You can use the voice-assist function only when both units are on your ears. 1 Adjust the assistant and voice input settings on the Google app. On the Android smartphone, select [Settings] – [Apps], and then select the gear icon on the display. Select the menu in the following order. [Assist & voice input] – [Assist app] Then, set [Assist app] to the Google app. You may need the latest version of the Google app. The above procedure is an example. For details, refer to the operating instructions for the Android smartphone. 2 Connect the player to the Android smartphone via a Bluetooth connection. 3 While the Android smartphone is in standby or playing music, hold down the button ( ) for 2 seconds to activate the Google app. The Google app will activate, and you will hear a start-up sound. 4 Make a request to the Google app through the microphones of the player. For details on the Google app (such as apps that work with the Google app), refer to the operating instructions for the Android smartphone. If there is no activity for a certain period of time, the audio input will deactivate. 5 78

The first part of the response sound Related Topic Connecting the player to an unpaired Android smartphone for the first time 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 79

WF-SP900 Using the voice-assist function (Siri) When you use the Siri feature that comes with the iPhone, you can operate the iPhone by speaking into the microphones of the player. Connect the player to the iPhone via a Bluetooth connection in advance. When you use Siri, you will hear the voice from the iPhone through both units. Note Even if you activate the [Hey Siri] setting on the iPhone, you cannot launch Siri by saying “Hey Siri” into the microphone of the player. For details on Siri, refer to the User Guide or support website for the iPhone. Depending on the model of the iPhone, you may not hear the following sounds from apps. The startup sound The first part of the response sound Put both units of the player on your ears. You can use the voice-assist function only when both units are on your ears. 1 Turn Siri on. On the iPhone, select [Settings] – [Siri & Search]. Then, activate [Press Home for Siri] and [Allow Siri When Locked]. The above procedure is an example. For details, refer to the User Guide for the iPhone. 2 Connect the player to the iPhone via a Bluetooth connection. 3 While the iPhone is in standby or playing music, hold down the button ( ) for 2 seconds to activate Siri. Siri will activate, and you will hear a start-up sound. 4 Make a request to Siri through the microphones of the player. For details on Siri (such as apps that work with Siri), refer to the User Guide for the iPhone. If there is no activity for a certain period of time, the audio input will deactivate. 5 80

4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 81

WF-SP900 What you can do with the smartphone apps The apps Sony | Headphones Connect and Sony | Music Center are available for smartphones to operate the player. When you connect the smartphone and the player via the Bluetooth function, you can do the following with the apps. For details on Sony | Headphones Connect, refer to the following URL. http://rd1.sony.net/help/mdr/hpc/h_zz/ For details on Sony | Music Center, refer to the following URL. http://www.sony.net/smcqa/ Hint The operations of the apps depend on the audio device. The app specifications and screen design may be changed without notice. Function Player Sony | Headphones Connect Sony | Music Center Music playback Starting playback or pausing — Skipping to the beginning of the current track or the previous track — Fast-forwarding or fast-rewinding — — Adjusting the volume — Changing the playback mode (Repeat/Shuffle) — — Changing the playback range (folder/playlist/album) — — Switching the sound source (Headphone/Player) — Settings Changing the Equalizer settings — — Turning Ambient Sound Mode on or off — Selecting the Ambient Sound Mode — — Turning Quick Sound Settings on or off — Changing the configurations of Quick Sound Settings — — Selecting the wireless playback quality — — Turning the AVLS function on or off — — Resetting and reformatting the player — — 82

Using Ambient Sound Mode Using Quick Sound Settings 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 83

WF-SP900 Installing Sony | Headphones Connect Related Topic What you can do with the smartphone apps 4-740-674-12(1) Copyright 2018 Sony Corporation Download Sony | Headphones Connect from the Google Play store or the App Store, and install the app on the smartphone. For details on Sony | Headphones Connect, refer to the following URL. http://rd1.sony.net/help/mdr/hpc/h_zz/ 1 After you install the app, launch Sony | Headphones Connect. 2 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 84

WF-SP900 Installing Sony | Music Center Related Topic What you can do with the smartphone apps 4-740-674-12(1) Copyright 2018 Sony Corporation Download Sony | Music Center from the Google Play store or the App Store, and install the app on the smartphone. For details on Sony | Music Center, refer to the following URL. http://www.sony.net/smcqa/ 1 After you install the app, launch Sony | Music Center. 2 The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 85

WF-SP900 Preparing music content Before you transfer music content to the player, you need to prepare the music content. This topic includes instructions for the following operations. Importing music content from an audio CD to Music Center for PC. Importing music content stored on a computer to Music Center for PC. Importing music content stored on an external media device to a computer. Purchasing music content from online music services. The instructions below are for operations using Music Center for PC. Music Center for PC is the recommended application for the player. Install Music Center for PC in advance. Hint Before you connect the player to the smartphone via a Bluetooth connection, you need to prepare music content on the smartphone via one of the following methods. Transferring music content from a computer to the smartphone Purchasing music content on the smartphone via the internet Using a smartphone streaming service For details, refer to the Help information for the smartphone or apps. Note Imported music content is limited to private use only. Use of music content for other purposes requires the permission of the copyright holders. If you are using a Mac computer, use Content Transfer. Importing music content from an audio CD to Music Center for PC For details on the procedure, see [How to use] on the Music Center for PC support website. (https://www.sony.net/smc4pc/) Use a computer on which Music Center for PC has been installed. 1. Launch Music Center for PC. 2. Click [CD] under [Import] in the sidebar. 3. Insert an audio CD into the media drive of the computer. The music content on the audio CD will appear on the Music Center for PC screen. You can change the format setting for importing CDs, if necessary. Click next to , and then select a file format from [CD import settings]. For higher sound quality: FLAC For normal sound quality: AAC (.mp4), MP3 (.mp3) 4. Add check marks to the music content that you want to import. 5. Click [Import] to start importing music content. To cancel importing, click [Stop]. 6. 86

Importing music content stored on a computer to Music Center for PC For details on the procedure, see [How to use] on the Music Center for PC support website. (https://www.sony.net/smc4pc/) Importing music content stored on an external media device to a computer Use an external media device that contains music content. The following instructions are for Windows Explorer. If you are using a Mac computer, use Finder. Purchasing music content from online music services You can purchase music content from online music services. Check the service guide for the provider you use. Each service provider has different downloading procedures, compatible file formats, and payment methods. Note that the provider may choose to suspend or terminate the service without notice. Related Topic Installing Music Center for PC (Windows) Installing Content Transfer (Mac) Transferring content from a Windows computer using Music Center for PC Transferring content using Windows Explorer Transferring content from a Mac computer using Content Transfer Transferring content using Mac Finder Playing music on the player 4-740-674-12(1) Copyright 2018 Sony Corporation Use a computer on which Music Center for PC has been installed. 1. Launch Music Center for PC. 2. Click (menu) in the top left of the Music Center for PC screen. Then, select the import method from the [File] menu. 3. Specify folders or files for the music content that you want to import. 4. Start importing music content. 5. Connect the external media device to a computer. 1. Open the external media device in Windows Explorer. 2. Open the [Music] folder of the computer in Windows Explorer. 3. Drag-and-drop the folders or files from the external media device to the [Music] folder on the computer. 4. The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 87

WF-SP900 Transferring content from a Windows computer using Music Center for PC You can transfer music content that is stored on a Windows computer to the player via Music Center for PC. Illustrations and operational procedures are examples when using Music Center for PC Version 2.0. Note If you connect the player to a battery-powered computer via the charging case, the battery of the computer will deplete. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. For details on the procedure, see [How to use] on the Music Center for PC support website. (https://www.sony.net/smc4pc/) Note Do not disconnect the USB Type-C cable during data transfer (USB Type-C cable: supplied). Otherwise, the data may be damaged. Transferred music content is limited to private use only. Use of music content for other purposes requires the permission of the copyright holders. The use of a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. While the player is connected to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Do not shut down the computer. Use a computer on which Music Center for PC has been installed. 1 Launch Music Center for PC. 2 Store the player inside the charging case. Then, connect the charging case to the computer via USB. 3 Select the connected device from [Transfer and Manage] in the sidebar of the Music Center for PC screen. The transfer screen for the player will appear on the right side. A list of music content in Music Center for PC will appear on the left side. 4 Select albums or tracks from the left side. 5 Click to transfer. 6 89

sleep mode or standby mode. The data may be lost or Music Center for PC may not reboot normally. Related Topic Installing Music Center for PC (Windows) Preparing music content Transferring content using Windows Explorer Playing music on the player Supported formats 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 90

WF-SP900 Transferring content using Windows Explorer You can transfer music content directly by dragging and dropping it from Windows Explorer. Note If you connect the player to a battery-powered computer via the charging case, the battery of the computer will deplete. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. Hint Refer to [Supported formats] for details on compatible file formats. Note Observe the following precautions. Otherwise, the player may not be able to play the files. Store the player inside the charging case. Then, connect the charging case to the computer via USB. 1 Open the [HEADSET] folder as follows. Windows 10: Open [File Explorer] from the [Start] menu. Select [HEADSET] from the left pane. Windows 8.1: Open [File Explorer] from [Desktop]. Select [HEADSET] from the list under [This PC]. Windows 7: Select [Start], [Computer], and then [HEADSET]. 2 Open the [MUSIC] folder in [HEADSET]. 3 Drag-and-drop the files or folders on the computer to the [MUSIC] folder. Confirm that the transfer is complete. Then, disconnect the charging case and player from the computer. 4 91

Do not transfer the files to folders other than [MUSIC]. Do not disconnect the USB Type-C cable during data transfer (USB Type-C cable: supplied). Do not format the memory of the player on the computer. Transferred music content is limited to private use only. Use of music content for other purposes requires the permission of the copyright holders. Do not disconnect the charging case and the player from the computer while the lamps on the player are flashing. Otherwise, data that is being transferred or stored on the player may become damaged. If the charging case and the player are disconnected from the computer while files are transferring, unnecessary files may remain on the player. If the problem occurs, transfer usable files back to the computer and reformat the player. The use of a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. While the player is connected to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Do not shut down the computer. Related Topic Preparing music content Transferring content from a Windows computer using Music Center for PC Playing music on the player Supported formats 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 92

WF-SP900 Importing content from the player to Music Center for PC Illustrations and operational procedures are examples when using Music Center for PC Version 2.0. Note If you connect the player to a battery-powered computer via the charging case, the battery of the computer will deplete. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. For details on the procedure, see [How to use] on the Music Center for PC support website. (https://www.sony.net/smc4pc/) Note Do not disconnect the USB Type-C cable during data transfer (USB Type-C cable: supplied). Otherwise, the data may be damaged. Imported music content is limited to private use only. Use of music content for other purposes requires the permission of the copyright holders. The use of a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. While the player is connected to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Use a computer on which Music Center for PC has been installed. 1 Launch Music Center for PC. 2 Store the player inside the charging case. Then, connect the charging case to the computer via USB. 3 Select the connected device from [Transfer and Manage] in the sidebar of the Music Center for PC screen. The transfer screen for the player will appear on the right side. A list of music content in Music Center for PC will appear on the left side. 4 Click [Manage songs in device] to display the list of music content on the player. 5 Select the music content that you want to import to Music Center for PC. 6 Right-click the music content to select [Import to PC]. 7 93

Related Topic Installing Music Center for PC (Windows) Playing music on the player Supported formats 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 94

WF-SP900 Transferring content from a Mac computer using Content Transfer You can use Content Transfer. Music content with copyright protection cannot be transferred. Note If you connect the player to a battery-powered computer via the charging case, the battery of the computer will deplete. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. Use a computer on which Content Transfer has been installed. 1 Launch Content Transfer. 2 Store the player inside the charging case. Then, connect the charging case to the computer via USB. 3 Open Finder or iTunes. Then, select the music content. 4 Drag-and-drop the music content into Content Transfer. Confirm that the transfer is complete. Then, disconnect the charging case and player from the computer. 5 95

Note Operation may not be guaranteed depending on the version of iTunes. Do not disconnect the USB Type-C cable during data transfer (USB Type-C cable: supplied). Otherwise, the data may be damaged. Transferred music content is limited to private use only. Use of music content for other purposes requires the permission of the copyright holders. The use of a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. While the player is connected to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Do not shut down the computer. Related Topic Installing Content Transfer (Mac) Preparing music content Playing music on the player Supported formats 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 96

WF-SP900 Transferring content using Mac Finder You can transfer music content directly by dragging and dropping it from Finder. Music content with copyright protection cannot be transferred. Note If you connect the player to a battery-powered computer via the charging case, the battery of the computer will deplete. When you connect the player to a computer via the charging case for a long period of time, connect the computer to an AC power supply. Hint Refer to [Supported formats] for details on compatible file formats. Note Observe the following precautions. Otherwise, the player may not be able to play the files. Do not change the names of the root folders (such as [MUSIC]). Do not transfer the files to folders other than [MUSIC]. Do not disconnect the USB Type-C cable during data transfer (USB Type-C cable: supplied). Do not format the memory of the player on the computer. Store the player inside the charging case. Then, connect the charging case to the computer via USB. 1 Select [HEADSET] in the sidebar of the Finder. 2 Open the [MUSIC] folder in [HEADSET]. 3 Drag-and-drop the files or folders ( ) to the [MUSIC] folder ( ) in [HEADSET]. Confirm that the transfer is complete. Then, disconnect the charging case and player from the computer. 4 97

copyright holders. Do not disconnect the charging case and the player from the computer while the lamps on the player are flashing. Otherwise, data that is being transferred or stored on the player may become damaged. If the charging case and the player are disconnected from the computer while files are transferring, unnecessary files may remain on the player. If the problem occurs, transfer usable files back to the computer and reformat the player. The use of a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo. While the player is connected to a computer via the charging case, observe the following cautions. Otherwise, the player may not function properly. Do not turn on the computer. Do not restart the computer. Do not wake the computer from sleep mode. Do not shut down the computer. Related Topic Installing Content Transfer (Mac) Preparing music content Playing music on the player Supported formats 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 98

WF-SP900 Creating a playlist on a computer You cannot create a playlist using the player. Create a playlist on a computer and transfer it to the player. Windows: Create a playlist using Music Center for PC and transfer it to the player. Create a playlist using iTunes. Import the playlist and transfer it to the player using Music Center for PC. Mac: Create a playlist using iTunes and transfer it to the player using Content Transfer. Hint For detailed instructions, refer to the online Help information for each application. Related Topic Transferring content from a Windows computer using Music Center for PC Transferring content from a Mac computer using Content Transfer 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 99

WF-SP900 Notes on transferring content from a computer Drag-and-drop music files into the correct folder as shown in the following illustration. The player can play back music files stored in the first through eighth level of each folder. Note Do not rename the following default folders. Otherwise, the player will not recognize the folders. MUSIC 4-740-674-12(1) Copyright 2018 Sony Corporation The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications. 100