PHILLIPS 4-Port USB 2.0 Micro-Hub Philips PCGear PH1621 4-Port USB 2.0 Hub General Features: Gray color USB 2.0 interface Four (4) Type A USB 2.0 ports One (1) DC5V, 2.6A power jack Add four USB ports to your computer! All connected devices are protected with Over-Current Protection Super-Fast: up to 480 Mbps transfer speeds Plug-and-Play capable Supports Windows and Mac Operating Systems