Edifier W845NB Wireless bluetooth Active Noise Cancelling Earphone Stereo Hifi Headphone With Mic

Product Description

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: 32?
Frequency response: 20Hz-20KHz
Sensitivity: 110±3dB