1.3D Wired Opitcal Mouse       2. Sunplus Sensor: High precision optical sensor3.Port: PS/2, USB or u+P combo                                     4. The size of mouse: 87*50*33mm               5.Ergonomics designed        6. 800DPI High resolution       7. Working on any surface except glass and mirror       8.Compatible with windows 2000/XP/9X/ME/NT4.0,Aslo comtatible with windows vista/windows 7...

optical mouse