IF YOU’RE A productivity whiz, then you’re probably already aware of Logitech’s MX Master mice series. They've carved a niche for themselves as the navigation product of choice for people who want good quality, lots of features, and loads of customization options. The MX Master 3S aims to continue this tradition by building on the success of the MX Master 3 with a brand new higher DPI sensor, quieter switches, and Logitech’s new Bolt dongle which can be used across a range of the company’s new wireless products.