1. Wireless specification: Wireless V5.0 BK3266.
2. Support protocols Headset, Hands-free, A2DP, AVRCP.
3. Charging voltage DC5V, charging time about 1.5 hours.
4. Size: 62*35*30mm, weight 6g.
5. Battery capacity: 50mAh.
6. Calls / music time: 4 hours. Standby time: 80 hours.
