Design
Colour of product	Black
Weight & dimensions
Mouse weight	1900 g
Input device
Device interface	USB
Movement detection technology	Trackball
Buttons quantity	4
Recommended usage	PC
Scroll	No
Scroll type	Not available
Other features
Mouse dimensions (WxDxH)	97.5 x 35 x 101.5 mm
System requirements
Windows operating systems supported	Yes
Mac operating systems supported	Yes
Ergonomics
Cable length	1.8 m

Designed for PCs and Macs, the Expert Optical Trackball employs Kensington's DiamondEye optical technology for smooth, precise cursor movement. Surrounding the ball, is a Scroll Ring that puts scrolling right at your fingertips. Expert Optical Trackball even comes with a soft wrist rest-right.