Roller Mouse PRO - Black. Contour Design's interrnationally acclaimed alternate mouse input device.
The Roller Mouse Pro eliminates the need to reach for a Mouse device. Now that function can be conveniently located below the "space key" of your keyboard. No longer extend your arms while performaing computer work.
The "clickable" Roller Bar with tension control, programmable Left and Right Buttons and center scroll wheel are all within your immediate reach zone. Auxilliary PS2 Port built in.