1. Full-size folding wireless keyboard and mouse trackpad]: You have full control compatible with ASUS ZU680KL. It has a built-in rechargeable battery that provides 48 hours of use time (560 days standby time) and is equipped with a mouse trackpad and left and right keys. It is very convenient and portable, with a small size and convenient user interaction. (Phone holder/stand not included) 2. Foldable tri-fold design]: Our full-size travel keyboard is very thin and foldable, making it a perfect gift for people who travel frequently or on business trips. It allows you to operate your mobile device anytime, anywhere, for fast, easy and typo-free writing. It is also a good choice for editors 3. All Android PC MAC IOS connection mode]: You can connect the keyboard to any Android, IOS, Mac or Windows device via wireless Bluetooth. Up to 560 days of standby time and up to 48 hours of continuous use time make it able to meet all your needs. 4. Wide and universal compatibility]: With Bluetooth 5.3 technology, the foldable keyboard can work with 3 major operating systems: iOS/Windows/Android. Note: [For desktop computer laptops without Bluetooth function, you need to use a third-party Bluetooth adapter (not included) before use.] Folding size: 5.98' x3.82' x0.71'