- Full-Size Folding Wireless Keyboard with built-in touchpad and left/right click buttons. Compatible with Samsung SMT315. It has a rechargeable battery rated for up to 48 hours of continuous use and up to 560 days on standby. Includes a mouse touchpad for convenient control. Not including phone holder/stand. - Foldable Tri-Fold Design. Ultra-thin and highly portable, perfect for travelers and business trips. Lets you operate your mobile device anytime, anywhere. Enables quick, accurate typing and is useful for editors. - Bluetooth Connectivity with Android, iOS, Mac and Windows. Wireless connection via Bluetooth for broad compatibility. Standby time up to 560 days and use time up to 48 hours. - Wide Universal Compatibility. Bluetooth 5.3 supports iOS, Windows and Android. Note: Desktop laptops without Bluetooth require a third-party Bluetooth adapter (not included). Folded size: 5.98" x 3.82" x 0.71".