- FULL-SIZE FOLDING WIRELESS KEYBOARD & MOUSE TOUCHPAD: Achieve complete compatibility with Samsung Galaxy S21/Ultra/Plus/S21+ 5G. The built-in rechargeable battery provides up to 48 hours of continuous use and an impressive 560 days of standby time. The keyboard features an integrated mouse touchpad with left and right click buttons, offering a user-friendly experience. (Note: Phone holder/stand not included) - FOLDABLE TRI-FOLD DESIGN: This ultra-thin, foldable keyboard is an ideal travel companion, perfect for business trips or daily commutes. It enables you to write quickly and accurately, making it a great choice for professionals and editors alike. - UNIVERSAL CONNECTION MODES: Easily connect the keyboard to any Android, iOS, Mac, or Windows device via Bluetooth. With long-lasting battery performance, it caters to all your productivity needs. - WIDE COMPATIBILITY: Utilizing Bluetooth 5.3 technology, this keyboard supports the three major operating systems: iOS, Windows, and Android. For desktop PCs or laptops without Bluetooth capability, a third-party Bluetooth adapter is required (not included). - COMPACT SIZE: When folded, the keyboard measures just 5.98" x 3.82" x 0.71", making it highly portable and easy to store in bags or laptops. Use Cases: 1. Perfect for students who need to take notes on their mobile devices during lectures. 2. Ideal for business professionals who travel frequently and require a reliable typing solution on the go. 3. Suitable for content creators who want an efficient way to edit documents or scripts from their smartphones or tablets.