Classic design. Eminently functional. Supremely dependable. Amazingly powerful. What more could you ask for in a trackball?

Specification

Product
Product id	53477
Brand	Kensington
Partnr	64217
EAN/UPC code	085896642176
Mouse
Device interface	USB+PS/2
System requirements
Mac operating systems supported	Y
Other features
Compatibility	PC with USB/PS-2, Macintosh -USB port
Compatible operating systems	Windows 95 or later and Mac OS 8.1 or or later