1. Bluetooth 3.0 standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK4. Working voltage: 3.0-4.2V5. Working current: less than 2.5mA6. Standby current: less than 0.3mA7. Sleep current: less than 40uA8. Charging current: greater than 200mA9. Standby time: more than 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. Key force: 80 +/-10g 15. Button life: 5 million clicks 16. Working temperature: -10 - +55 degrees Celsius 17. Detachable split design, easy to use
