Optimized for Apple MacOS ONLY- Designed for Apple users in mind, the Slim X3 Bluetooth Backlit Keyboard features an extended keyboard layout with numeric pad, navigational arrows, and MacOS function keys for a sleek upgrade to any modern workspace Multi-Device Bluetooth - Equipped with easy-to-use Bluetooth keys to assign up to four devices perfect to type across your laptop, tablet or smartphone with a press of a button Illuminated Keys - Built for convenience with backlit keys, featuring ten levels of brightness to adjust to nearly any type of environment and a rechargeable USB-C port for fast and easy charging Modern Design - Features a sleek, aluminum finish to complement your Apple devices and low-profile, responsive keys for a comfortable typing experience What You Get With your purchase you will receive 2 rubber risers, a USB-C charging cable, and a user manual for your convenience. Satechi products are covered by a 2-year limited warranty against defects in materials