1. FULL-SIZE FOLDING WIRELESS KEYBOARD WITH MOUSE TOUCHPAD: Enjoy seamless compatibility with the Karbonn Titanium S19. This keyboard features a built-in rechargeable battery that offers up to 48 hours of use (560 days on standby). The integrated mouse touchpad, complete with left and right click buttons, ensures convenient and efficient navigation. Its compact design makes it portable and user-friendly. (PHONE HOLDER/STAND NOT INCLUDED) 2. FOLDABLE TRIFOLD DESIGN: Our FULL-SIZE travel keyboard is ultra-thin and folds easily, making it an ideal gift for frequent travelers and business professionals. Work on your mobile devices effortlessly, allowing for quick and accurate typing. It's also a great choice for editors who need flexibility on the go. 3. MULTI-DEVICE CONNECTION: Connect this keyboard via Wireless Bluetooth to any Android, iOS, Mac, or Windows device. With an impressive 560 days of standby time and up to 48 hours of continuous use, it meets all your connectivity needs. 4. WIDE UNIVERSAL COMPATIBILITY: Utilizing Bluetooth 5.3 technology, this foldable keyboard is compatible with three major operating systems: iOS, Windows, and Android. Note: For desktop PCs or laptops without Bluetooth capability, a third-party Bluetooth adapter (not included) is required. The folding size is 5.98" x 3.82" x 0.71", ensuring compact storage and portability. Practical use scenarios include: - Typing emails or documents while on a business trip. - Editing presentations during a meeting. - Casual browsing or social media interaction in a café. This keyboard stands out for its combination of functionality, portability, and universal compatibility, making it a versatile tool for various users.