Featureproduct featuresinput devicedevice interfaceusbps2buttons quantity3movement detection technologyopticalscroll wheelyesmovement resolution800 dpitechnical detailscolour of productblackplug and playyesmaterialplasticoperating systemsoftwaremac operating systems supportednoweight dimensionsmouse dimensions wxdxh120 x 60 x 37 mmmouse weight85 gother featurescompatibilitywindows xp vista 7minimum system requirementswindows xp vista 7compatible operating systemswindows 2000xp