Kanen BT02 Foldable Stereo Wireless Bluetooth Headphones Headset Over Ear Headphones With Microphone (Black/Blue)

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
Impedance£º32ohm
Lithium Battery
Power: Lithium battery, 4.2V / 300 mAh(rechargeable)
Operation range:up to 10m(33`)
Charging time:<3H
Working time(at 60% volume):>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