Genius Wireless Mini Navigator. Device interface: Bluetooth, Movement detection technology: Optical, Movement resolution: 800 DPI. Minimum system requirements: - IBM PC Pentium 233 - Windows 2003/XP/x64/Me/2000/98/Vista, Mac OS 8.6 - USB - CD/DVD-ROM This is an auto-generated long summary based on the first three features of the first five feature groups.