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. Working temperature: -10-55 degrees Celsius
17. Three-color backlit keyboard
18. Keyboard with trackpad
19. Not just a protective case, built-in bluetooth keyboard, more powerful
20. Bluetooth chip, fast speed, low power consumption, stable
21. Precise cut for easy access to all buttons and ports, giving you smooth operation
22. Stand and pen tray function, easy to use
23. Tablets are not included