1,usb 2.0 card reader 2.Support :TF / Micro SD,WINDOWS 98 /ME/2000/ ... welcome Have stock USB 2.0 Mini Smart Compact Micro SD M2 Card ReaderUSB 2.0 Card readerHigh Speed USB2.0, Compliance with ... bus power Supply ,No external power supply requiredSupport high speed card, Slim size ,easy for carryTransfer files between your computer and ...