1. Speaker: 40mm.
2. Wireless specification: Wireless V5.0 JL.
3. Supporting protocols: A2DP, AVRCP, HSP, HFP.
4. Charging voltage: DC 5V. Charging time: about 2.5 hours.
5. Call / music time: 12 hours. Standby time: 200 hours.
6. Class A polymer battery: 300mAh.
7. Size: 180*150*70mm. Weight: 161g.