1. Capacity:single 3.7V/50mAH,Li-polymer battery

2. Charging box battery:5V/300mAH

3. Earphone Voltage/current:5V/80mA,charger box voltage/current：5V/0.3A

4. Earphone charging time:about 1hours

5. Charger box charging time:about 2hours

6. Transmission distance：≥10m（barrier-free）

7. Talk time:about 5hours  

8. Display music time:about 5hours

9. Standby time:about 140hours