1. Bluetooth 3.0 standard interface
2. Effective operating distance: 10 meters
3. Modulation method: GFSK
4. Working voltage: 3.0-4.2V
5. Working current: 2.5mA
6. Standby current: 0.3mA
7. Sleep current: 40uA
8. Charging current: 200mA
9. Standby time: about 100 days
10. Charging time: 3-4 hours
11. Lithium battery capacity: 200mah
12. Sustainable working hours: 100 hours
13. Lithium battery life: 3 years
14. Button force: 80-+10g
15. Button life: 5 million clicks
16. Operating temperature: -10 to 55 degrees Celsius