4-PORT USB HUB, 1,Man shape, 2,USB 1.1 and 2.0, 3,Compliance with windows,mac, OS New Arrival Man shape USB HubFeatures:4 ... -PORT USB HUB, Man shape, USB 2.0, Compliance ... Bus Specification version1.1/2.0,2.supports transfer rate up to 480Mbps3.Plug & Play and hot swapping.4.PC USB Power supply at ...