1 True wireless stereo, HIFI sound.

2 Both the left and right ears have full Bluetooth headset functionality and can be used individually or in pairs.

3 Dual mode Bluetooth 5.0, ultra low power consumption.

4 Bluetooth transmission distance: 10 meters barrier-free.

5 Listening to song time: about 4-5 hours

6 Battery capacity (charge box): Built-in 2000mAh large capacity battery. Can charge headphones 25 Times

7 Standby time: about 120 hours.

8 Noise reduction technology: CVC8.0.