Logitech Trackman Marble - Wired USB or PS/2

Product Overview

Logitech Trackman Marble® Optical Trackball. Large ball with direct optical tracking. Compact case design for precise fingertip control.  Four easy access buttons.  A great desktop trackball for your home or office. Installs using PS/2 or USB interface port. Charcoal/Silver case, Red ball.

Product Specifications

Trackball Size: 1.5"
Trackball Color: Red
Trackball Encoding: Opttical
Case Color: Charcoal/Silver
Hand Orientation: Ambidextrous
Buttons: 4 (programmable)
Scrolling Hardware: None
Interface Included: Native USB / Includes a USB to PS/2 Adapter
Software Included: Yes. Logitech MouseWare™.
Dimentions: 6.25"(L) * 3.8"(W) * 2"(H) (at crest of trackball) in.
Manufacturer's Warranty: 3 Years