Input device Scroll: No Movement detection technology: Optical Buttons quantity: 2 Device interface: USB Design Certification: FCC, CE, VCCI, RRL, WHQL, CTICK, UL Technical details Plug and Play: Yes Ergonomics Plug and Play: Yes Software Mac operating systems supported: Yes System requirements Mac operating systems supported: Yes Minimum processor: Intel Pentium 4/AMD Minimum hard disk space: 140 MB Certificates Certification: FCC, CE, VCCI, RRL, WHQL, CTICK, UL Weight & dimensions Mouse weight: 479 g Other features Mouse dimensions (WxDxH): 78 x 78 x 53 mm Compatible operating systems: Windows Vista/XP/2000 UNIX Linux Mac X 10.4. 6