The Logitech 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 with Logi Options+ (1). With Actions Ring shortcuts and MX Master 4, save up to 33% of your time (2) by accessing tools and filters at your cursor and reducing repetitive movements by up to 63%. (2) Experience uninterrupted performance with 2X more powerful connectivity, powered by an advanced radio chip, optimized antenna placement, and a new USB-C dongle. (7) Scroll 1,000 lines per second with Logitech's fastest MagSpeed wheel, switching between hyper-fast and pixel-perfect scrolling for ultimate precision. The 8k DPI sensor tracks on any surface—even glass. (5) Designed for comfort, it keeps your hand in a natural posture, and quiet clicks that reduce noise by 90% (8). Stay powered up with up to 70 days of battery life, plus three hours of use from a one-minute charge, charging cable not included (10). Built sustainably, it incorporates recycled materials: plastic parts include recycled plastic - 54% Space Black; 48% White Silver (12); 100% recycled cobalt in the battery; Built to last with improved stain resistance (7) Compatible with Windows, macOS, Linux, Chrome OS, iPadOS, and Android. Requires Logi Options+ app for advanced customization.