1.1 USB port and 6 card slots 2.Support Micro SD directly 3.Plastic cover, light weight 4.IC(AU6370 AU6477) Features & Specifications:Plastic cover, light weight     Support high-speed (480M bps) & full-speed (12Mbps) data transfer rateDoesn’t need driver in any Operating Systems (except Win98 SE)Compliant with USB2.0 and backward compliant with USB 1.1 standardsRuns at 30MHz, built-in 480 MHz PLLAuto detect card typeTwo LED indicators, one is for power and the other for access.Mark beside the card slots, easy to distinguishChipset solution: ALCOR AU6370 or AU6477Interface: Four slots card reader & writer and one USB portRead high speed over 4.3MbpsWrite high speed over 1.3MbpsPower supply by USB port  Support Card Type:1) CF I / CF II / cf3                                                                                         2) MS / MS PRO / MS DUO / MS PRO DUO                                         3) SD / HS SD / MMC / MMC 4.0 / RS MMC / MMC Mobile / MMC 4.2                                                                                            4) micro SD (T-Flash)                                                                                    5) xD / xD 1.21                                                                                                   6) M2