Never run out of USB ports again, use a Hub! This USB 2.0 Hub adds 4 high-speed ports with data transfer rate up to 480 Mbps. And it’s Plug & Play! Simply connect it and start using it. Portable and convenient. This hub provides up to 500mA current to each port, which is sufficient for many different devices. The device looks and acts just like real power strip. It also comes with an on/off button. Impress your easily-impressed friends by powering up to four USB devices at once with this high-quality USB power strip. This hub provides up to 500mA current to each port, which is sufficient for many different devices but is not meant for charging higher powered devices, which will require an additional power source.