MX Master 4 brings immersive control and precision you can feel with haptic feedback. Experience haptic feedback on specific actions, shortcuts, notifications like switching desktops, slider adjustments and more. Customize vibration intensity in Logi Options+ (1). Key Features Effortlessly access favorite tools with Actions Ring (2) — a dynamic, customizable overlay adapts to each app, placing most used filters, adjustments, and shortcuts at your cursor Scroll 1,000 lines per second and stop on a pixel with the MagSpeed scroll wheel — Logitech’s fastest (3), quietest, and most precise (4) scrolling experience Enjoy 2X more powerful connectivity (7) with a USB-C dongle, advanced radio chip, and optimized antenna for faster, stronger, reliable performance — or use Bluetooth for more versatility Ergonomic mouse designed for comfort, keeps you in flow with a natural tilt, intuitive buttons, and a thumb scroll wheel that reduces hand stress Quiet Clicks - reduce noise and distractions, offering a soft, satisfying feel with 90% less click noise (8) What's in the box? Results may vary depending on assigned shortcuts. (3) Compared to Logitech Master 2S mouse with Logitech Options installed and Smooth scrolling enabled (4) Compared to regular Logitech mouse without an electromagnetic scroll wheel (5) 4 mm minimum glass thickness. (6) Compared to a regular Logitech mouse with default DPI setting. (7) Compared to MX Master 3S (8) Compared to MX Master 3, MX Master 4 has 90% less Sound Power Level left and right click. (9) Device basic functions will be supported without software for other systems than Windows and macOS (10) Battery life may vary based on user and computing conditions (11) Charging cable not included (12) Excludes plastic in printed wiring assembly (PWA), receiver, wire, FFC cable, and packaging. (13) ADOBE - only for countries that have partnership! Please ask your POC.