... 't need driver *. Dual directional read *.Mini USB card reader Mini magnetic card reader/mini tablet card reader/mini USB card readerDual-direction read capability. ANSI, ISO, ABA ... : 63(L)X31(W)X27(H) mm)Cover: Plastic Specification Card standard ISO 7811 / 7812Card operation speed 10 ~ 150 cm/sec ... , 15-85%RH, non-condensingCable length 1.5 mWeight250gDimension: 63X31X27mm mini USB card reader