1.Dimensions:118*81.5*41mm
2.Especial design, simpleness and convenient
3.Resist impact, tightness with long life
4.Elegant design is ideal for left/right-handed users
5.Switch: 5 buttons
6.Tracking resolution: 800 dpi
7.Interface: USB, PS/2 and combo are available
8.Compatible with Windows 98/2000/ME/XP/NT, Mac
9.Various colours for option