USB HUB with Card reader combo 1)with 3 USB 2.0 HUB ports, 2)Support all memory cards; 3)with competitive price USB HUB with Card reader combo Details:(1)Unit Size:77*55 ... combo, card reader+HUB;(2)USB Plug&play, support Windows Me/2000/XP/Vista, Mac OS8.6, 9.x or higer ;(3)with 3 high ... , SD/MMC/RS-MMC, TF/MICRO SD, CF/MD, XD. USB HUB with Card reader combo