Tri-fold keyboard: Foldable full-size keys provide a user-friendly typing experience. Triple folding design, easy to carry Compatibility for iOS, WINDOWS and Android: Built-in Broadcom Bluetooth 5.1 chip, providing stable connection and fast response within 33 feet (about 10.1 meters), compatible with iOS, Windows, and Android system smartphones, PCs, tablets, multi-device Bluetooth keyboard Make your travel more enjoyable. [Wireless & Wired Mode] Easily connect wireless devices and computers with the keyboard at the same time, and switch easily Change the backlight: the user can choose red, blue or green in two different brightness levels. Even in dimly lit rooms, dark aircraft cabins or other occasions, you can easily see the keys. Ergonomic and durable design: aircraft-grade aluminum alloy texture, with excellent durability. Material:Aluminum alloy colour:Black Package Contents: 1 x keyboard 1 x Data line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.