1. [Full-size folding wireless keyboard and mouse trackpad]: You can fully control it, and it is compatible with vivo NEX. It has a built-in rechargeable battery that can be used for 48 hours (560 days on standby), equipped with a mouse trackpad and left and right click buttons. It is very convenient and portable, mini size, convenient for user interaction. (Not including the phone holder/stand) 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 go on business trips. It allows you to operate your mobile device on the go, write quickly and easily, and will not make mistakes. 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. It has a standby time of up to 560 days and a continuous use time of up to 48 hours, meeting all your needs. 4. [Wide and universal compatibility]: With Bluetooth 5.3 technology, the foldable keyboard works 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'