1. Smooth cloth pattern PU material, TPU soft shell all-inclusive protective cover
2. Built-in pen slot, support charging function, detachable Bluetooth keyboard
3. Bluetooth 3.0 standard interface
4. Effective operating distance: 10 meters
5. Modulation method: GFSK
6. Working voltage: 3.1-4.2V
7. Working current: about 3.0mA
8. Sleep current: about 0.1mA
9. Charging current: about 200mA
10. Standby time: about 95 days
11. Charging time: about 2 hours
12. Lithium battery capacity: 200mAh
13. Sustainable working hours: about 76 hours
14. Lithium battery life: 3 years
15. Button force: 50-80g
16. Button life: 3 million clicks
17. Working temperature: -10 ~ +55 degrees Celsius
18. Product size: 20.4*16.0*2.4cm
19. Product weight: 395g