MX Master 4 that brings immersive control and precision you can feel with customizable haptic feedback on specific actions. Save up to 33% of your time with Actions Ring shortcuts and MX Master 4, by accessing tools and filters at your cursor. Additional features: 2x better connectivity, ultra fast scrolling with the MagSpeed scroll wheel, 8k DPI any surface tracking, including glass & Logi Options+ for customization. Advanced wireless mouse, supercharged MX Master 4 is a high-performance mouse with haptic feedback, designed for an immersive and precise workflow you can feel. Save up to 33% of your time* with Actions Ring shortcuts, accessing tools and actions directly at your cursor. Immerse yourself with the Haptic Sense panelSave up to 33% of your time with Action Ring ShortcutScroll 1000 lines per secondTrack on any surface, even glass with the 8K DPI sensorExperience 2 x more powerful connectivityMore comfort. Deeper focus.Deeper flow with 90% less click noiseDo more with Logi Options+Work seamlessly across devices and OSUSB-C quick charging, long lasting