3 ports USB HUB and card reader.
Transfer data from any card device to your computer.
Compatible to USB 2.0.
High reading and writing speed.
Simply plug it in and start using it!
It draws power directly from the USB port.
Supports : SD/SDHC/MMC/MMC4.0/MMC PLUS/MMC MOBILE/MMC,MS/MS Pro/ MS DUO/MSPro DUO/ Micro SD (T-flash)M2.
Size : 6.5x6.1.5cm.