1.Card support: MS-PRO-DUO/ MS-MG/ M2/ MS-PRO-MG/ MS-ROW SD/ Mini-SD/ / T-flash/ Micro-SD/ SDHC/ MMC/ RS MMC 2.Number of ports: 4( output) 3.Transferspeed: 480Mbps( USB2.0/ HS) , 12Mbps( USB1.1/ FS) 1.5Mbps( USB1.1/ LS) 4.Features: Multiple memory card reader with USB hubs 5.Dimension: W58xD42xH36mm 6.Remarks: Extra 0.8m USB cable affached