1. Speaker unit: 40MM
2. Bluetooth Specifications: Bluetooth V4.2 JL
3. Supporting protocols A2DP, AVRCP, HSP, HFP
4. Charging voltage DC 5V; Charging time :2 hours
5. Call/music time: about 6 hours; standby time 200 hours
6. Class A polymer battery, capacity: 200mAh
7. Size: 165*160*60mm; Net weight: 118g