Logitech® Cordless Trackman Programmable Optical Mouse Experience trackball precision without the cords. Optical Marble® technology tracks smoothly and is virtually maintenance-free. Forward and back buttons take the effort out of Web and document browsing. Features customizable buttons that allow you to personalize your controls for productivity. Reliable cordless technology frees your desktop and ends cable clutter. The right-handed design offers all-day comfort. Mouse Technology: Optical; Connector/Port: PS/2; Left/Right Hand Use: Right; Buttons: 6.

Product Specifications  Manufacturer #: LOG-904369-0403 Product Details Logitech Cordless Trackman Programmable Optical Mouse, Silver Batteries Included: Yes Batteries Required: Yes Buttons: Programmable, Scroll, 6 Color(s): Black/Silver Connector/Port: PS/2, USB Left/Right Hand Use: Right Mouse Technology: Optical, Trackball Operating System Compatibility: Mac® OS 8.6 and later, Windows® 95, 98, NT, 2000, Me, XP, Vista™ Type of Batteries Required: 2 AA Wired/Wireless: Wireless UPC: 20097855014775 Keywords: Cordless Mouse, LOGITECH, Optical, Programmable, Trackball, TrackMan