Trackball Products from Logitech

Logitech is the world's largest manufacturer of computer mice and trackballs. Their award winning trackball designs were some of the first available in both the PC and Macintosh markets and they continue to evolve and produce some of the most popular trackballs designs.

Trackman M570 Cordless Optical Trackball
Precise thumb control. Three easy access mouse buttons. Scroll wheel. Browser Scroll Up/Down Buttons. Compact, easy to use. Wireless. Receiver installs using USB interface. Black case. Blue Ball.
Price: $59.95
Logitech M570 Cordless Optical Trackball
Average rating:
Precise fingertip control. Four easy access mouse buttons. Compact, easy to use. Installs using PS/2 or USB interface port. Charcoal/Silver case. Red Ball.
Price: $32.95