Really good price for a trackball. This one is normally around £20-£25.
Pretty useful if you have limited desk space. Price includes free delivery.
For highly accurate cursor control, the Kensington Orbit Optical Trackball Mouse has a trackball that allows you to move smoothly and precisely around your desktop. As simple to use as a regular mouse, the Orbit Optical Trackball Mouse stays in one place as you operate, therefore requiring very little arm movement.
With its optical tracking device, the Orbit Optical Trackball Mouse picks up very little dust thus lessening the need for regular maintenance of your trackball. Perfect for those creative projects that require hours of intense mouse control, the Orbit Optical Trackball Mouse is a comfortable and really effective addition to your PC setup.
Required configuration Windows computer with USB or PS/2 port