... reader 1, 4 slots:SD,M2,MS,TF slots. 2,USB 2.0/1.0 Item NO:MDTC-B008 portable ... usb 2.0 all in one card reader Supports:USB2.0 ... color.Hot-swappable supported, plug and playUSB bus-powered, No external power supply required ,Low power consumption, suitable for desktop and ... notebook MDTC-B008 portable USB 2.0 all in one card reader