1. Bluetooth 3.0 standard interface
2. Effective operating distance: 10 meters
3. Modulation mode: GFSK
4. Working voltage: 3.0-4.2V
5. Working current: less than 2.5mA
6. Standby current: less than 0.3mA
7. Sleep current: less than 40uA
8. Charging current: greater than 200mA
9. Standby time: more than 100 days
10. Charging time: 3-4 hours
11. Lithium battery capacity: 280mAh
12. Sustainable working time: 100 hours
13. Lithium battery life: 3 years
14. Key force: 80-+10g
15. Key life: 5 million clicks
16. Working temperature: -10 degrees Celsius to 55 degrees Celsius
17. Interface: Type-C interface
18. Keyboard with touchpad
19. Keyboard with three-color backlight