Keyboard Case For Surface Pro 4 5 6 7

Keyboard + Case For Surface Pro 4 / 5 / 6 / 7
Features:
1. Not only a protective case, built-in Bluetooth keyboard, more powerful
2. The keyboard and leather case can be separated design
3. Bluetooth chip, fast speed, low power consumption, stable
4. Precise , easy access to all ons and ports, providing you with smooth operation
5. Support function, easy to use
6. Easy to insert and remove
7. Tablets are not included

Specifications:
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 50 microampere
8. Charging current: more than 200mA
9. Standby time: more than 100 days
10. Charging time: 2-3 hours
11. Lithium battery capacity: 200mAh
12. Sustainable working hours: not less than 30 hours
13. Lithium battery life: 3 years
14. on force: 80+/-10g
15. on life: 5 million clicks
16. Working temperature: -10-55 degrees Celsius
17. Charging port: Type-C
18. Weight: 835g
19. Product size: 29.8x21.4x2.2cm