D-Link 4-Port USB 2.0 Hub including 4 Fast Charging Ports, mini USB 2.0 Port and 5V/2.5A Power Adapter (DUB-H4) Compact design ideal for travel 4 downstream ports to connect more devices to your computer High Speed Mini USB 2.0 for fast data transfers - up to 40x faster than USB 1.1 Plug and play connectivity Instantly add more USB 2.0 ports to your computer 4 fast charging ports give your mobile devices a boost in power Works with USB 1.1 Devices 5V/2.5A Power Adapter