* USB2.0 interface .support plug and play * LED director light * one of prepositive USB port * four of card seat port * support CFⅠ/CFⅡ/Microdrive/Magicstor/SM/SD/Mini-SD/MMC/RS-MMC/MS/MS Pro/MS Duo/MS Pro Duo/Magic Gate etc * support the data transfer between card to card ,card to outer install of USB * operate system : WIN98SE/2000/ME/XP or above