... Port USB HUB 2.USB1.1/USB2.0 for optional 3.Logo printing provided 4.Excellent ... * USB powered * Compliant with USB version 2.0 and USB1.1 * Supports Windows98, ME, 2000, NT, XP, Vista, Mac OS X ... provided for your promotion Tangle USB Hub/hub 4 in 1 usb 2.0 hub 4 port