1. Compatible with ICEMOBILE Prime 5.5 and fully controllable. It has a built-in rechargeable battery delivering up to 48 hours of continuous use and 560 days on standby. It includes a mouse trackpad with left and right click buttons. It is portable in a mini, foldable form factor. (Phone holder/standby not included) 2. Foldable tri-fold design. The full-size travel keyboard is ultra-thin and foldable, making it ideal for frequent travelers or business trips. It enables you to operate your mobile device on the go, type quickly and accurately, and it supports editors who need portable input. 3. All Android, PC, Mac, iOS connection modes. Connect the keyboard to any Android, iOS, Mac, or Windows device via wireless Bluetooth. With up to 560 days in standby and up to 48 hours of continuous use, it is a versatile solution for varied needs. 4. Wide universal compatibility. Bluetooth 5.3 technology ensures compatibility with iOS, Windows, and Android. Note: desktops or laptops without Bluetooth require a third-party Bluetooth adapter (not included). Folded size: 5.98" x 3.82" x 0.71"