This is a used Kensington Orbit Trackball Mouse (model: 64226, Part No.: HTB-164) that has been fully tested and is in complete working condition. there are some small smudges on the mouse and the USB cord but otherwise it's in great condition. Please see the pictures above for more accurate detail.
If you have any questions or would like any more pictures please feel free to ask. I always try to ship-out by EOB or early next morning by the latest.