... card reader Transfer SpeedHi-Speed USB 2.0 480Mbps max., Compatible with USB 1.1 Size(LxWxH)8.5cm x 2.4cm x 1. ... to a USB port without the need for cable.1 slot supports 4 types of memory cards: SD, MMC ... MMC RS, T-flash.Full speed USB V1.1 or V2.0 connectivity.USB bus-powered, no external power supply ... OS 8.6 & above.Color Black&white &yellow. USB2.0 Memory card reader for SD, MMC, MMC RS, T-flash