Astrotek 5 Port USB3.0 HUB With 5V 2.5A Power Adaptor The ASTROTEK Super Speed 4-Port USB 3.0 Hub Connect multiple USB devices to your laptop or desktop by adding four USB 3.0 ports, Charge your smartphone or tablet quickly, using the 2.4A USB fast-charge port.Add four USB 3.0 ports to your computer, plus fast-charge your mobile device • USB 3.0 Male 4 port • Data sync and charging support • External Power included