... resolution to 800DPI and/or 1600DPI) 2). Super-mini USB receiver can be attached on the bottom of the mouse ... Keystroke lifetime: 3, 000, 000 cycles Compatible with Windows 98, 2000, NT, ME, XP, Windows 7 and Mac Packaging: Blister packaging CE, FCC ... colorHigh resolution800-1600 DPI could be exchangeablecomputator Compatible with Windows 95/98/NT/ME/2004/XPspecification 113×60×31 mmpackaging color ...