1. Bluetooth version: 5.0
2. Transmission range: about 10m
3. Battery capacity: 230mAh
4. Charging interface: USB
5. Use time: about 15-20h

Features:
1. Stereo surround, HIFI sound quality, equipped with 10MM playback unit
2. Left and right ear universal, any color two headphones can be combined for binaural TWS function headphones
3. Automatic pairing on, fast connection
4. Large touch surface keys, feel comfortable
5. Appearance contour fits the ear, comfortable to wear
6. 360 degree rotatable ear caps, easy to adjust the angle