Product Feature:

Precision optical sensor with 800 CPI resolution.
No tracking ball to clean.
Works on most surfaces.
Suitable for left or right handed users.

Product Specification:

Button: 3 buttons optical Mouse
Tracking Resolution: 800 CPI
Connection:PS/2,USB, USB+PS/2
Suitable: PC/Notebook use
Compatible: Win98~XP/Vista, Mac OS 9.0 or higher, Linux
Dimension:120x63x38mm
Light:Blue Light(Optional)

System Requirements:

Windows95.98.SE.ME.NT.2000.XP.2003.Vista,Linux,Mac OS X or higher.
IBM or Compatible systems available in use