Is the new release in the Roller Mouse Pro range it features a sturdier, aluminium base, full length leatherette padding which offers extra wrist support and a slider switch on the bottom of the unit is used to adjust the click force.
Roller Mouse Pro3 is the latest update to Contour's ergonomic mouse alternative designed for you, not your computer. It sits in below your keyboard, eliminating the need to reach for the mouse, which can stress your neck, shoulders, elbows, and wrist. Roller Mouse Pro2 allows you to work safer, faster, and more comfortably.