Описание Описание 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. Size: L62*W35*H30mm; Weight: 6g 5. Battery capacity: 50mAh 6. Call/music time: 4 hours; standby time 80 hours