1, usb card adapter 2.Support :TF / Micro SD,WINDOWS 98 /ME/2000/ ... in 1 all in one HDMI USB Card Reader AdapterUSB 2.0 Card readerHigh Speed USB2.0, Compliance with USB 1.1support TF / Micro SD,WINDOWS ... bus power Supply ,No external power supply requiredSupport high speed card, Slim size ,easy for carryTransfer files between your computer and ...