MDTC-D009 portable usb 2.0 mini card reader 1, 1 slot, ... 2,USB2.0/1.1. 3,windows systems. Name:MDTC-D009 mini card readers TF/Micro SDSupports:USB2.0 and 1 ... required ,Low power consumption, suitable for desktop and notebook MDTC-D009 usb 2.0 mini card reader