1. FULL-SIZE FOLDING WIRELESS KEYBOARD WITH MOUSE TOUCHPAD: This keyboard includes a built-in left and right click mouse and is compatible with Samsung Galaxy C55. The rechargeable battery lasts up to 48 hours of continuous use and up to 560 days in standby. Note: phone holder/stand is not included. Portable and convenient for user friendly interaction. 2. FOLDABLE TRI-FOLD DESIGN: Extremely thin and foldable for easy on-the-go use. A great gift for travelers or anyone who travels for business, enabling fast, easy, and error-free typing on mobile devices. Also a good choice for editors. 3. ALL ANDROID PC MAC IOS CONNECTION MODES: Connect via Bluetooth to any Android, iOS, Mac or Windows device. Long standby time (up to 560 days) and up to 48 hours of continuous use make this a versatile one-device solution for daily work. 4. WIDE & UNIVERSAL COMPATIBILITY: Bluetooth 5.3 supports iOS, Windows and Android. Note: Desktop PCs or laptops without Bluetooth require a third-party Bluetooth adapter (not included). Folding size: 5.98" x 3.82" x 0.71". 5. USE SCENARIOS: Travel and commute with a full-size keyboard on the go; remote work or editing sessions requiring multi-device Bluetooth pairing; compact home or office setups as a desk-side or media-center keyboard.