1. FULL SIZE FOLDING WIRELESS KEYBOARD MOUSE TOUCHPAD : Finally, you can have full control to be compatible with OPPO A9 (2020). It has a BuiltIn Rechargeable Battery that can be used for 48 hours (560 days standby) with a mouse touchpad plus left and right click buttons. It is very convenient and portable with a mini size for userfriendly interaction. (PHONE HOLDER/STAND NOT INCLUDED) 2. FOLDABLE TRIFOLD DESIGN : Our FULL SIZE Travel Keyboard is extremely thin and foldable, making it a perfect gift for those who often travel or are on a business trip. It allows you to operate your mobile devices on the go, write fast, easily, and error. It is also a good choice for editors. 3. ALL ANDROID PC MAC IOS CONNECTION MODES: You can connect the keyboard with your device via Wireless Bluetooth to ANY Android, IOS, Mac or Windows Device. It has a longlasting 560day standby time and up to 48h of continuous use, making it a versatile device for all your needs. 4. WIDE UNIVERSAL COMPATIBILITY: With Bluetooth 5.3 technology, the foldable keyboard can work with 3 major operating systems: iOS / Windows/ Android. NOTE: For Desktop PC Laptop without bluetooth function, you need to use thirdparty bluetooth adapter (not included) before use. Folding size: 5.98' x3.82' x0.71' Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.