Kanen BT02 Foldable Stereo Wireless Bluetooth Headphones Headset Over Ear Headphones With Microphone Black

Specification: Wireless Version:4.0 Pairing: BT-02 Supported Bluetooth profiles:A2DP v1.2, AVRCP v1.4, HFP v1.6, HSP v1.2, DI v1.3 Frequency Range:2.4GHz-2.4835GHz Headphone Driver Size:40mm Frequency Range:20~20,000Hz Sensitivity:102+/- 3dB Impedance32ohm Lithium Battery Power: Lithium battery, 4.2V / 300 mAh(rechargeable) Operation range:up to 10m(33`) Charging time:14H Talk&Music Time:13H Standby Time:>25H Stabdby Time:>80H How to use the control button: 1.Volume control/play next song 2.Power/pair, play/pause, answer/end call 3.Volume control/lpay previous song Package include: 1pc wireless headset 1pc USB cable 1pc manual