A11 Bluetooth 3.0 Ultra-thin ABS Detachable Bluetooth Keyboard Leather Tablet Case with Holder for iPad Pro 11 inch 2021 (Dark Blue)

1. Standard 3.0 Bluetooth solution 2. Effective distance 10 meters 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. Available colors: black, gold, dark blue, rose gold 10. Product size: 25.5 x 20.3 x 2.1cm 11. Product weight: 597g