Supports 800, 1,600 and 2,400dpi
Ergonomic design with comfortable thumb rest
Works on any surface including glass
Button life over 3 million clicks
Interface: PS/2, USB or Combo
Accurate definition and sensitive operation
Supports USB suspend and resume functions
Supports Vista, XP, Windows 2000, ME and 98 (with driver)
Dimensions: (L) 125 x (W) 84 x (H) 42mm