1. BT specification: BT V4.2 WT.
2. Support protocols: Headset, Hands-free, A2DP, AVRCP.
3. Battery capacity: 50mAh. Charging time: about 2 hours.
4. Call / music time: 3 hours. Standby time: 100 hours.
5. Size: 31*16*24mm. Weight: 6g.
