1.Wireless V5.0 BK3266
2. Support protocols Headset Hands-free A2DP Avrcp
3. Charging voltage DC5V charging time: about 1.5 hours
4. Battery capacity: 180mAh
5. Call/music time 16 hours; standby time 225 hours
6. Earphones cable length: 85cm, weight: 22g