A11B-A Ultra-thin ABS Detachable Bluetooth Keyboard Tablet Case with Touchpad & Pen Slot & Holder for iPad Pro 11 inch 2021 (Black)

1. Standard 3.0 Bluetooth solution
2. Effective distance 10m
3. Standby time: 100 days
4. Continuous working time: 70 hours
5. Charging time: 4-5 hours
6. Lithium battery capacity: 200mAh
7. Lithium battery life: 3 years
8. Button life: 500 million times
9. Color: black, gold, dark blue, rose gold
10. Product size: 25.5 x 20.3 x 2.1cm
11. Weight: 627g