1. Smooth cloth pattern PU material, TPU soft shell all-inclusive protective cover
2. Built-in pen slot, support charging function, detachable Bluetooth keyboard, plastic square scissors foot buttons
3. Bluetooth 3.0 standard interface
4. Effective operating distance: 10 meters
5. Modulation method: GFSK
6. Working voltage: 3.0-4.2V
7. Working current: less than 2.5mA
8. Standby current: less than 0.3mA
9. Sleep current: less than 40uA
10. Charging current: 100mA
11. Standby time: more than 100 days
12. Charging time: 2-3 hours
13. Lithium battery capacity: 200mAh
14. Sustainable working hours: more than 100 hours
15. Lithium battery life: 3 years
16. Button force: 80 +-10g
17. Button life: 5 million clicks
18. Working temperature: -10 ~ +55 degrees Celsius
19. Product size: 20.4*16.0*2.4cm
20. Product weight: 390g
