Contour Design RollerMouse Pro, USB/PS2, Black, Microsoft Windows 7/Vista/XP/ME/98 Microsoft Windows 2008/2003/2000/NT 4.0 Apple OSX, Apple Mac..., 20.1" (510 mm), 3.54" (90 mm), 12.6" (320 mm)
Contour Design RollerMouse Pro. Interface: USB/PS2, Product color: Black. Compatible operating systems: Microsoft Windows 7/Vista/XP/ME/98 Microsoft Windows 2008/2003/2000/NT 4.0 Apple OSX, Apple Mac.... Width: 20.1" (510 mm), Depth: 3.54" (90 mm), Height: 12.6" (320 mm)