EDIFIER W845NB Manuals

W845NB Bluetooth Active Noise Cancelling Stereo Headphones 1 Before using the headphone, please carefully read this user manual and keep securely for further reference. ■ Features: ● High fidelity Bluetooth V4.1 headphone with Qualcomm® aptX™ audio decoding ● Active Noise Cancelling (ANC) technology best for car/bus/train/aircraft environments ● Up to 12 hours of playback and 540 hours of standby ● Multi-function buttons easily control calls, music, and volume ● Soft around-ear earcups to comfortably enjoy music ● Stylish carrying case with AUX audio & USB charging cable. --------------------------------------------------------------------------------------------------------------- ■ Specifications: Bluetooth version: Bluetooth V4.1 Bluetooth profiles: HFP, HSP, A2DP, AVRCP Effective distance: 10m Playback time: up to 12 hours Standby time: up to 540 hours Input: 5.0V==500mA Charging time: 3 hours Driver unit: ф40mm Impedance: 32Ω Frequency response: 20Hz-20KHz Sensitivity: 110±3dB