DPS's mission is to provide innovative, practical and top-quality products that reduce cost and improve the way users employ digital technology. Commitment to excellence in design and function sophistication appeal to the needs of customers at any market condition. PRODUCT FEATURES: USB 2.0 compatible; Hot swappable; Plug and play; OS supported: 98/ME/2000/XP/ MAC 9.2; LED indication for both Power ON and operation; Low Power consumption, suitable for desktop and Notebook PC; Read/write CF I CARD / CF II CARD / MD CARD / MS PRO CARD/ on slot 1; Read/write MS DUO CARD /MS PRO DUO CARD /MS MG CARD/ MS MG PRO CARD /MS MG DUO CARD on slot 2; Read/write MS MG PRO DUO CARD/SD CARD / MINI-SD CARD/MMCI CARD /MMCII CARD / XD on slot 3; Read/write RS-MMC CARD/ SM CARD/ T-FLASH CARD/TIME CARD/ALARM CLOCK CARD / CALCULATOR CARD /CALENDAR CARD on slot 4.