1.Dimensions: 97*77.5*36mm
2.Resolution: 800dpi
3.Interface: USB, PS/2 and combo for options
4.Switch: 3 buttons
5.Power rating: 5V, 100mA maximum
6.Operating force: 75+-20g
7.Compatible with Windows 98, 2000, ME, XP, NT and Mac
8.Various color shells are available