Contour RollerMouse Pro3 has a tried-and-tested, robust design that is well suited to full-size keyboards. The light rollerbar makes it possible to use the mouse without an unnatural hand position, which minimising the strain on your hands and fingers after a long day’s work. Pro3 gives you a natural and balanced sitting position, as you rest your hands in front of your body, which decreases the strain on everything from the fingertips to the shoulders and neck. This means that you can remain focused on your tasks and can work more comfortably and efficiently.