1. Speaker unit: 40mm
2. Wireless Specifications Wireless V4.2 JL
3. Supporting protocols A2DP, AVRCP, HSP, HFP
4. Charging voltage DC 5V. Charging time: 2 hours
5. Call/music time: 12 hours; standby time: 200 hours
6. 300mAh Class A polymer battery
7. Size: 190*160*80mm; net weight: 198g