This accurate USB optical mouse is suitable for left and right handed use. The mouse is user friendly because of its design: it features a short cable, it is small and without PS/2 adapter. It is compatible with Windows 98/ME/2000/XP/Windows Vista/7 and Mac OS.This accurate USB optical mouse is suitable for left and right handed use. The mouse is user friendly because of its design: it features a short cable, it is small and without PS/2 adapter. It is compatible with Windows 98/ME/2000/XP/Windows Vista/7 and Mac OS.