Bakker Elkhuizen Vertical Mouse - WirelessBakker Elkhuizen Vertical Mouse Wireless A more healthy work environment is ensured by the mouse's ergonomic design. The extra wide, clickable scroll wheel, the grooved left and right mouse keys, and the optical sensor together ensure easy handling and accurate movements. Your hand should hold the Grip Mouse vertically, as if shaking hands, as opposed to resting it flat on the mouse. Your hand and wrist are positioned correctly and ergonomically