Engineered for Speed and Precision: MX Keys S Wireless Keyboard features fast fluid laptop-like typing combined with the fast, precise scrolling of MX Master 3S Wireless Mouse Fluid Typing Experience: Laptop-like profile with spherically-dished keys shaped for your fingertips delivers a fast, fluid, precise and quieter typing experience Scroll 1000 Lines Per Second: With MagSpeed, Logitech's fastest and most precise scroll wheel, and an 8K DPI sensor, this Logitech Mouse tracks anywhere - even on glass Automate Repetitive Tasks: Easily create and share time-saving Smart Actions shortcuts that perform multiple actions with a single keystroke with the Logi Options+ app Smarter Illumination: Backlit keyboard keys light up as your hands approach and adapt to the environment; now with more lighting customizations on Logi Options+ More Comfort, Deeper Focus: Mouse and keyboard engineered for hours of work; stable keyboard with an optimum angle, and mouse sculpted for your hand for better wrist posture Multi-Device, Multi OS Combo: Pair with up to 3 devices on nearly any operating system (Windows, macOS, Linux) via Bluetooth Low Energy or included Logi Bolt USB receiver Both MX Keys S and MX Master 3S include certified post consumer recycled plastic - MX Master 3S (27% for Graphite, 22% for Pale Grey); MX Keys S (15% for Black and 11% for Pale Grey)