508A Detachable Bluetooth Keyboard + Leather Case 1. Slim and keyboard case. PU leather exterior and soft interior great protection against daily use(scratches and bumps). 2. 7 Colors back light options, 3 lev Brightness. You can change the backlights on the keys to different colors. Typing in the dark or dim light is so much easier. 3. It automatically wakes or puts the iPad to sleep when it is opened or closed. With Built-in pencil holder for Apple Pencil or stylus. 4. Compatible with Bluetooth enabled devices that support external keyboards such as Android, Windows system, iOS. Scissor switch:Type stable and fast.Removable keys, easy to install and cleaning. 5. Material: ABS(the keyboard)+PU leather (the case) 6. Working distance: 10m 7. Charging time: 2-3 hours 8. Standby time: 100 days 9. Working time:100 hours 10. Charging current: 200mA 11. Lithium battery life: 3 years 12. Bluetooth version 3.0 13. Suitable for iPad 9.7 2018 A1893 / A1954), iPad 9.7 2017 A1822 / A1823), iPad Pro 9.7 A1673 / 1674 / A1675), iPad Air 2 A1566 / A1567), iPad Air A1474 / A1475 / A1476