Logitech can pat itself on the back for updating the MX Master. New features such as the gesture button and the clever "Actions Ring" make the mouse even more practical. All buttons can also be customised as desired.

The Logitech MX Master 4 proves to be an excellent mouse for productive users when tested. The shape and size are virtually unchanged from its predecessors. Like its predecessors, the MX Master 4 is very comfortable to hold. The six additional buttons, including a haptic sensory control panel, the additional thumbwheel and the new Actions Ring have a positive effect on productive work...

Probably the best office mouse gets even better. While the design of the Logitech MX Master 4 has only changed in detail compared to its predecessor and the ergonomics have remained the same, Logitech has given it an additional button and haptic feedback that you can switch off if you wish...