Multi in one Memory card reader Transfer SpeedHi-Speed USB 2.0 480Mbps max., Compatible with USB 1.1 Muiti in one Memory card readerSize of a car ... key, plug directly to a USB port without the need for cable.1 ... : SD, MMC, MMC RS, T-flash.Full speed USB V1.1 or V2.0 connectivity.USB bus-powered, no external power ...