Master your flow like never before with the Logitech MX Keys S, a low-profile wireless keyboard that offers a fast, fluid, and precise typing experience, illumination, and customizable, time-saving Smart Actions. The MX Keys S also features smart backlighting that lights up as your fingers approach the keyboard and automatically brighten or fade to suit the time of day. Now you have more control of your backlighting brightness and duration with the Logi Options+ app.