all-in-1 card reader

*.Fully support USB 2.0 High -speedtransfer rate up to 480mbps, downwards compatible with USB 1.1. *Fully support USB 1.1 Full-speed transfer rate up to 12 mbps.*LED indicator for data acess.* Hot plug &play installation.* OS support: windows 98/me/2000/xp,mac9.x or above, linux 2.42 or above .*Bus-power for card reader ,non eextend power need!