1. Bluetooth 3.0 standard interface 2. Effective operating distance: 10m 3. Modulation method: GFSK4. Working voltage: 3.0-4.2V5. Working current: about 2.5mA6. Standby current: about 0.3mA7. Sleep current: about 40uA8. Charging current: about 200mA9. Standby time: about 100 days 10. Charging time: 3-4h 11. Lithium battery capacity: 200m. Ah 12. Sustainable working time: 100h 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
