• Accurate 8000 DPI tracking: Exceptionally fine tracking accuracy and control on large, high-resolution monitors. Even tracks on glass. Switch easily from 4000 DPI to 8000 DPI with Logi Options+. Remarkable 1000-lines-per-second scrolling with the ingenious MagSpeed Wheel. • 90% less click noise: Logitech’s Quiet Click technology eliminates 90% of distracting mouse click noise for a quieter, more focused work environment for everyone • Logi Bolt wireless security: Engineered to conquer IT challenges, Logi Bolt technology is fully-encrypted and FIPS compliant when paired with the included Logi Bolt USB receiver. It delivers cross-platform compatibility and secure, reliable connections—even in congested wireless environments. • Workflow Customization: Power users can personalize MX Master 3S for Business buttons to streamline repetitive tasks with Logi Options+. They won’t know how they ever worked without it. Plus, it’s delivered out of the box with predefined control profiles for popular business applications. • Our iconic mouse, now upgraded. Quiet Click technology, 8000 DPI tracking for high-resolution monitors and MagSpeed scrolling. • Warranty Information: 2-Years Limited Hardware Warranty Store in a cool dry place Sweden