... ports USB HUB Card reader 2,Support MS/Pro Duo,M2,SD/MMC,Micro SD 3,USB 2.0 interface card reader USB 2.0 Card readerHigh Speed ... USB2.0, Compliance with USB 1.16 card slot:1 slot: CF ... bus power Supply ,No external power supply requiredSupport high speed card, Slim size ,easy for carryTransfer files between your computer and ...