... Pixels 3.Magnification Ratio: 25x to 600x 600X Portable USB Microscope with 2 Mega Pixels and Factory Price Specifiactions: ... USB portOperation system: Windows2000 SP4/XP/Vista/Win7, Mac OS X 10.5 or aboveOSD language: English, German, Spanish, Korean, French, RussianBundle software ... ! Shenzhen Honkia Electronic Technology Co., Ltd. 600X Portable USB Microscope with 2 Mega Pixels and Factory Price