Headset wireless: V5.0 BK.
Support protocols: Headset, Hands-free, A2DP, Avrcp.
Charging voltage DC5V, headset charging time is about 50 minutes, charging box charging time is about 1 hour.
Headset battery capacity: 30mAh, charging box battery capacity: 180mAh.
Headset size: L 53 × W 30 × H 21 mm, weight: 16 gm.
Call/music time of earphone: 3 hours, standby time: 120 hours.