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