- BT Version: V5.3
- Communication range: 10m (standard environment)
- Frequency response sensitivity: 20Hz-20KHz
- Distortion : 5%
- Support protocol :HSP/HFP/A2DP/AVRCP
- Voltage:3.742V
- Power: 5mw
- Charging box battery capacity : 250mAh
- Headset battery capacity :25 mAh
- Play time :about 4h
- Charging box USB charging: about 1.5H
- Earbuds button control: touch control
