?Compatibility: This Case is compatible with iPad 10.2 (2021)/(2019)/(2020)/iPad Pro 10.5-inch (2017)/Air 10.5-inch (2019). 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 sleep/wake 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: ABS+PU ?Battery Material: Lithium Polymer Battery ?Bluetooth 3.0 (Compatible with Bluetooth devices up to versions 3.0/4.0/5.0/5.1) ?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: