MX Master 3 is instant precision and infinite potential. The electromagnetic MagSpeed wheel provides up to 90% more speed (6), 87% more precision(7), and shifts modes in near silence. App-specific button customizations speed up your workflow. And a 4000 DPI Darkfield sensor means you can track virtually anywhere even glass. Its faster and 5x more accurate than the basic mouse. With MX Master 3, you can truly master what you make. B2B version non-retail packaging.