Features: 1.Foldable Design: The wireless portable keyboard features a foldable design that can be carried anywhere, a standard size to improve typing efficiency, and BT technology to provide wireless connectivity within a 10m working range. 2.Automatic Design: The pocket size folding keyboard has the function design of automatic opening and closing, which makes the operation easier. After 10 minutes of inactivity, the keyboard will enter sleep mode, and press any key to wake up the keyboard. 3.Pocket Size: The foldable keyboard is designed in a pocket size, allowing you to fold it to carry it around in your pocket or backpack, saving space, and it is made of ABS material, which is hard?wearing and durable. 4.Long Standby: The foldable wireless keyboard has a built in rechargeable battery for extended use and long standby, ideal for short trips and business trips. 5.Wide Compatibility: Folding keyboard is perfectly compatible with for iOS, for Android and for Windows systems. It can be widely used in conferences such as mobile phones, desktop computers, notebook computers and tablet computers. specification:Item Type: Foldable Wireless Keyboard Material: ABS Battery Type: Built in 90mah 302323 Lithium Battery (included) Keyboard Device: BT Device Using Human Interface Device Protocol BT Communication Distance: 10m BT Version: 3.0 Support System: Compatible with for IOS,for Windows,for Android Applicable Devices:For Smartphones, Tablets, Laptops PackageList:1 xFoldableWirelessKeyboard 1 x Data Line 1 x User Manual NoteShips with built in battery.