Product Id: 24728090
Description: Kensington Orbit Optical Trackball - Trackball - optical - 2 buttons - wired - PS/2
Mfr Part #: K64327
MSRP: $29.99Control your cursor with a simple touch of the finger! The highly accurate Orbit Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning.