"MX Keys S Logitech Wireless Keyboard — a low-profile full-size keyboard offering a fluid, precise typing experience and customizable, time-saving Smart Actions that automate repetitive tasks with a single keystroke. This backlit wireless keyboard features smart backlighting that lights up when hands approach and automatically adjusts for the time of day. Conveniently create and customize Smart Actions, adjust illumination brightness and duration, and check battery life with these Logitech keyboards and the Logi Options+ app (1). Compatible as a Logitech Mac keyboard, it also supports Windows, Linux(3), Chrome OS(3), iOS(3), iPadOS(3), and Android(3) operating systems. MX Keys S Logitech Wireless Keyboard Details: Weight: 810 g Dimensions: 20.5 x 430.2 x 131.63 mm. Rechargeable Li-Po (1500 mAh) battery. Optional Customization app (1): Logi Options+. Important: FileVault might be enabled on your macOS computer, which could prevent entering your password at start or reboot when connected to Bluetooth. In such cases, use the Logi Bolt USB Receiver. (1) Requires Logi Options+ app, available for Windows and macOS. (2) The keyboard is not compatible with other Logitech USB receivers. (3) Device basic functions will be supported without software for systems other than Windows and macOS. (4) Battery life may vary based on user conditions. (5) Excludes plastic in printed wiring assembly (PWA), FFC cable, cables, and packaging. (6) 4 mm minimum glass thickness.