3Dconnexion 3DX-700034. Device interface: USB, Movement detection technology: Optical. Minimum processor: Intel Pentium 4/III, AMD/Athlon, Minimum hard disk space: 140 MB. Mouse weight: 0.479 kg. Certification: FCC, CE, VCCI, RRL, WHQL, CTICK, UL. Compatible operating systems: Windows Vista (x86/x64), XP (x86/x64), 2000 Linux (Redhat Enterprise Linux WS 3, SuSE 9.0 +) Mac OS, Mouse dimensions (WxDxH): 78 x 78 x 53 mm