Features:
1. Not only a protective case, but also a built-in Bluetooth keyboard, which is more powerful
2. Bluetooth chip, fast speed, low power consumption, stable
3. Precise cutting, easy access to all buttons and ports, providing you with smooth operation
4. Backlight function to add atmosphere
5. Support and pen slot function, easy to use
6. Easy to insert and remove
7. Tablets are not included

Specification:
1. Bluetooth version: 3.0
2. Effective operating distance: 10m
3. Modulation method: 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 40 microampere
8. Charging current: more than 200mA
9. Standby time: more than 100 days
10. Charging time: 3-4 hours
11. Lithium battery capacity: 150mAh
12. Sustainable working hours: 100 hours
13. Lithium battery life: 3 years
14. Button force: 80+/-10g
15. Button life: 5 million clicks
16. Weight: 400g
17. Dimensions: 14.5 x 20.1 x 2cm
18. Working temperature: -10-55 degrees Celsius