1、Bluetooth Connection: QWERTY keyboard with stable Bluetooth 5.0 technology, working distance up to 10meter, brushed front and ultra thin light aluminum design on the back slide. 2、Ergonomic Design: The keyboard keys are cut out structure, keycaps are ergonomically designed, and silent, provide you with a comfortable and pleasant typing experience. 3、Compatibility: Bluetooth keyboard is compatible with for iOS, for Android and for Windows, perfect for IOS Phone, for IOS tablet, for IOS tablet Mini, for IOS tablet Pro, for IOS tablet Air, for Android, for Windows tablet smartphones. 4、Rechargeable Battery: The keyboard has a built in rechargeable lithium battery for long standby time up to 150H. If you don't use it for more than 10 minutes, the keyboard will automatically go into hibernation to save power, if you want to continue using it, just click any key to wake up the keyboard. 5、Ultra Thin Design: This keyboard is lighter and smaller than traditional keyboards, ultra thin design, more convenient to carry, ABS material, more durable. Item Type: 78 Key Bluetooth Keyboard Material:ABS Battery Type: Built in 180mAh Lithium Battery (Included) Bluetooth Version: 5.0 Bluetooth Distance: Approx. 10meter / 32.8ft or Less Support System: Compatible for Android, for Winows, for IOS Scope of Application: Applicable to Smartphones, Tablets, Laptops 1 x 78 Key Bluetooth Keyboard