1,usb 3.0 card reader 2.Support :TF / Micro SD,WINDOWS 98 /ME/2000/XP/ ... Charming multifunctional USB 3.0 Card reader for SD, MS, M2, TF, XD with 6 slotUSB 2.0 Card readerHigh Speed USB2.0, Compliance with USB 1 ... bus power Supply ,No external power supply requiredSupport high speed card, Slim size ,easy for carryTransfer files between your computer and ...