1. Bluetooth specification Bluetooth V5.0 BK3266
2. Support protocols Headset Hands-free A2DP Avrcp
3. Charging voltage DC5V, charging time: about 1.5 hours
4. Battery capacity: 50mAh
5: Size: L97*W45*H18mm, weight: 9g
6. Call/music time: 4 hours; standby time: 80 hours
7. Digital noise reduction function
