Here is a Kensington Turbo Mouse Plus 3.0. It is a programmable trackball mouse that offers a unique control experience for users. With its wired connectivity via PS/2, this gray mouse from Kensington is designed for precision and ease of use. The model includes two buttons and is untested, making it a potential find for those looking for a reliable and efficient trackball mouse for their computing needs. Its compact and versatile design, along with its programmable features, make it a valuable addition to any computer setup. InVery Good Untested Condition.This is a Buy-it-Now item. Continental U.S. Buyers only. If possible, would appreciate payment within 48 hours for sale items. If additional time is needed please contact me as soon as it ends to let me know when it will arrive. All my items come from a Smoke Free home. As a friendly reminder, thru , an automatic non-payment claim is initiated on the 4th day. Any Questions just ask. Thanks for looking.