The MX Master 3S for Business is our premier offering with significant upgrades for both ITDMs and users. For busy IT departments, it offers more security and better compatibility. Logi Bolt addresses rising security needs with fully encrypted Secured Connections Only mode that’s FIPS compliant and robust even in congested wireless environments. And it’s certified in 100+ countries with support for IT pros. For users, its 8000 DPI “Darkfield” tracking makes work on high-resolution monitors faster and more accurate—even on glass . MagSpeed Scrolling zips down 1000 lines of code or spreadsheet cells in just a second. Or with line-by-line precision. Its ergonomic design lessens forearm fatigue with a sculpted shape that cradles the hand for all-day comfort. It’s also 90% quieter with Quiet Click technology for less distraction and better focus for everyone.