MDTC-B003 mini card reader 1, 2 slots,T-flash/Micro SD,M2 . 2,USB2.0/1.1. 3,Mobile phone decoration. 4, ... 480Mbps Name:MDTC-B003 mini card readersSupports:USB2.0 and 1 ... -swappable supported, plug and playUSB bus-powered, No external power supply required ,Low power consumption, suitable for desktop and notebook MDTC-B003 usb card reader