1. Bluetooth version: Jieli V5.3 (6956A)
2. Stereo (dual -channel)
3. Battery capacity: 300mAh
4. Drive unit: 40mm
5. Charging time: 2 hours
6. Talking time: 18 hours
7. Support protocol: HSP/HFP/A2DP/AVRCP
8. Bluetooth operating frequency: 2.402G-2.480g
9. Call distance: about 1M
10. Maximum transmission distance: about 10M
11. Support voice prompt
12. Support multi -point connection