1.Wide scroll 3 buttons design
2.Resolution: 800dpi
3.Work on any surface except glass
4.Various color combinations
5.Interface: USB, PS/2 and combo for options
6.Dimensions:92*52*34mm / 108*52*34mm
7.Power rating: 5V, 100mA maximum
8.Operating force: 75+/-20g
9.Compatible with Windows 98/2000/ME/XP/NT, Mac