Compatibility This Case is compatible with iPad 9.7-inch 20172018iPad Air 2. It will NOT work for any other model device 7 colors backlight Built-in 7 colors backlight. Fine workmanship, and equipped with a backlit so that you can normally use it at night Multiple Viewing Angles The removable keyboard is used as part of the stand for iPad. Support 3 viewing angles and built-in anti-slip grooves. Move the keyboard forward or backward along the cover of the case, you can adjust the angle of the tablet to your preference Dual Protection touch as skin PU leather cover and anti-slip rubber-lined interior provide full protection for your iPad. Soft flexible TPU back shell protects your iPad from shocks, drops, and impacts. Support auto sleepwake function by CASE ONLY mode Turn Your Tablet into A Laptop Real hard laptop-style keyboard with high-end ABS material. Not a cheap silicone keyboard like other cases in the market. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touchscreen Specifications Material ABSPU Battery Material Lithium Polymer Battery Bluetooth 3.0 Compatible with Bluetooth devices up to versions 3.04.05.05.1 Effective Distance 10 meters Standby Time Over 100 days Continuous Working Time No less than 100 hours Charging Time 4 hours Lithium Battery Capacity 380mAh Lithium Battery Life 2 years Key Life 3 million clicks Modulation Method GFSK Working Voltage 3.0-4.2V Working Current 4-8mA Standby Current lt0.3mA Sleep Current lt40uA Charging Current 100mA standard Charging Method Type-C cable charging