Super Slim Bluetooth Keyboard with Back Case<br>Portable，Easy to Carry，Light Weight<br>Detachable Keyboard Case<br>Made of ABS Keys，Fantastic Type Feeling，Fashion PU BackCover，Beautiful and Durable<br>Magenet Smart Cover，Close and Protect the PadPerfectly.<br>Bluetooth 3.0 interface standard<br>Operating Distance to 10 meters<br>Charging Time:less than 4 hours<br>Lithium Battery Capacity:220mAh<br>Uninterrupted Working Time:150 hours<br>Lithium Battery Life:3 years<br>Material: ABS+PU&nbsp;Leather<br>Support Apple system， specially fit&nbsp;foriPad Air2 / Air 9.7inch