The USB 3.0 7-Port Hub & Charger ensures you can connect all your peripheral desktop accessories to your laptop and charge your smartphone or tablet. Using USB 3.0 technology, each of the 7 ports can support fast transfer speeds. The ports also double as chargers, ensuring the battery on your devices never runs out. With 4 AMPs available, you can use any of the ports to provide a fast charge for up to two tablets, a tablet and a smartphone, or any other combination of low power devices. Insert the USB cable it into your laptop, plug in the power cord and you?re ready to go.