... 2.0 interface card reader USB 2.0 Card readerHigh Speed USB2.0, Compliance with USB 1.16 card slot:1 ... 5. slot :M2 6. slot: XD CardPlug and play ,high speed data tranferUSB bus power Supply ,No external power supply requiredSupport high ... speed card, Slim size ,easy for carryTransfer files between your computer ...