1. FULL SIZE FOLDING WIRELESS KEYBOARD MOUSE TOUCHPAD : Finally, you can have full control to be compatible with Samsung SMT817R4 with our 48h of use BuiltIn Rechargeable Battery of 48 Hours (560days standby) with Mouse Touchpad plus Left and Right click buttons. Very convenient and portable mini size for the user friendly interaction. (PHONE HOLDER/STAND NOT INCLUDED) 2. FOLDABLE TRIFOLD DESIGN : Our FULL SIZE Travel Keyboard is Extremely thin and foldable keyboard can be a perfect gift for anyone who often travel or on a business trip. It allows you to operate your mobile devices on the go. Write fast, easy 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. Long Lasting 560 days of standby time and up to 48h of continuous use make this a one and all 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'