... 3.Size:108*75*50mm 4.Patent NO.:20103057553.4 mini computer mouse:Patent NO.:20103057553.4Colors: black, red, green, sapphire ... , lovely shape, feel comfortable, crisp button, moderate intensity, 1000DPI high-precision optical positioning technology, mobile fast and sensitive, stable non-pointer jumping ... Windows 2000; Windows Millennium Edition; Windows XP; Windows Vista; Win7 mini computer mouse