Ultra-Thin Abs Wireless Keyboard Protective Case For Ipad Pro 11 Inch(Black)

Specification:
1. Designed for iPad Pro 11 inch.
2. Main material: ABS.
3. Number of buttons: 78.
4. Bluetooth version: 4.0.
5. Operating distance: 10m.
6. Modulation system: GFSK.
7. Working voltage: 3.3-4.2V.
8. Working current: 2.5mA.
9. Sleep current: less than 100 microamps.
10. Charging current: Backlight version 225mA.
11. Standby time - Backlit version: 45 days.
12. Continuous usage: 150 hours (backlight off) for about 2.5 hours (backlighting).
13. Charging time: less than 3 hours.
14. Battery capacity: Backlit version 250mAh.
15. Battery life: 3 years.
16. Key life: More than 5 million clicks.
17. Operating temperature: -10 plus or minus 55 degrees Celsius.
18. Accessories: USB cable, manual.
19. Weight: 480 grams.