1. Bluetooth standard interface
2. Effective operating distance: 10 meters
3. Modulation method: GFSK
4. Working voltage: 3.7-4.0V
5. Working current: less than 8MA
6. Standby current: less than 0.3MA
7. Sleep current: less than 50UA
8. Charging current: greater than 200mA
9. Standby time: more than 100 days
10. Charging time: 2-3 hours
11. Lithium battery capacity: 200MA
12. Sustainable working hours: not less than 30 hours
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
17. Charging port: Type-C interface
18. Not just a protective case, built-in bluetooth keyboard, more powerful
19. Bluetooth chip, fast speed, low power consumption, stable
20. Precise cut for easy access to all buttons and ports, giving you smooth operation
21. Bracket and pen tray function, easy to use
22. Dimensions: 25.9x19.9x2.2cm
23. Weight: 727g

Note: The product is only a bluetooth keyboard case, no other items are included