Let's face it, the Logitech MX Master line has effectively been the undisputed king of work/productivity mice for years now. Its combination of a sensor that works on just about any surface, a super-fast scroll wheel, and a super-useful second horizontal scroll wheel, all wrapped up in a comfortable design, is, for many, unsurpassed for just getting work done. Now it's back, and the Logitech MX Master 4 includes some fairly significant changes, including a new haptic thumb pad section and gestures button.While a productivity mouse such as this one isn't perhaps the most obvious addition to our best gaming mouse guide, if you use your PC for both gaming and work, a mouse like this is still a fantastic addition to your setup. That's particularly true if you prefer ultra-light mice that have very few features - such as the Logitech G Pro X Superlight 2, for instance - rather than a more capable multi-function gaming mouse such as the Logitech G502 X Plus. Regardless, we've been putting the new MX Master 4 through its paces over the last few weeks to see whether its latest iteration is still the go-to choice for those seeking the perfect work mouse.Read the full story on PCGamesN: Logitech MX Master 4 review - the ultimate work mouse reborn