A Combo for Speed and Precision Power up your performance with MX Keys S and MX Master 3S. Comfort, stability, and precision combined in a pairing that helps you master your flow all day long. Duo Engineered for Productivity and Comfort The keyboard has a stable, low-profile design and the mouse is crafted for your hand for better wrist posture. The included palm rest encourages a natural posture for all-day comfort. Fast Fluid Precision Typing Type with confidence and speed with spherically-dished keys shaped for your fingertips, minimizing the chances of a mistype, while increased key stability reduces noise. Scroll 1000 Lines Per Second with the Magspeed scroll wheel. 90% more speed and 87% more precision with its 2 modes: ratchet & hyper fast scroll (compared to regular Logitech mouse). Smart Illumination Backlit keys light up when your hands approach and automatically brighten or fade to suit your environment. Control backlighting duration and brightness in Logi Options+. Automative Repetitive Tasks Smart Actions in the Logi Options+ App gives you the power to skip repetitive actions by automating multiple tasks with a single keystroke. Multi Computer, One Flow Pair MX Keys S Combo to work on multiple computers and cross-OS - and transfer text, images and files between them. - just copy on one and paste to the other.