... 4-PORT USB HUB, Man shape, USB 2.0, Compliance with windows,mac, OS New Arrival ... HUB, Man shape, USB 2.0, Compliance with windows,mac, OSPictures show: Desription:1.2.0 HUB USB ,hi-speed ... with 4 ports .2.fully compliant with USB 2.0 specification .3.no ... port over-current production .6.180-degree circular design ,portable .7.plug and play ,hot-swap operation .8 ...