... reader 3.3 port USB 2.0+all in card reader 4.OEMservice 2011 new USB combo (3 port USB HUB 2.0 + All in card reader ... )Specifictions:All of card can be reader, Support:XD,MS, MINI SD(use adapter), SD ... at the same time. Compliant with USB 2.0 specifications, backwards-compatible with USB 1.1 Plug and play, No driver installation required Support ...