Genius Navigator P300 Football silver. Device interface: USB, Movement detection technology: Optical, Movement resolution: 800 DPI. Processor clock speed: 233 MHz. Mouse dimensions (WxDxH): 105 x 30 x 50 mm, Mouse weight: 92.6 g. Compatible operating systems: Windows Vista/2003/XP/x64/Me/2000/98, Mac OS 8.6+