Design
Colour of product	Black,Silver
Input device
Device interface	USB+PS/2
Movement detection technology	Trackball
Buttons quantity	2
Recommended usage	PC
Purpose	Office
Buttons type	Pressed buttons
System requirements
Windows operating systems supported	Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows Vista Business
Mac operating systems supported	Yes
Ergonomics
Cable length	1.8 m

Navigate with greater comfort and precision while saving valuable desktop space with the Kensington Orbit Optical Trackball. Its optical technology delivers precise cursor control with the touch of a finger while the two-button design provides an interface that's familiar to mouse users.