USB3 4 Port Hub with On and Off Switches This portable USB 3.0 hub gives you an easy way to add four USB 3.0 Type-A ports to your laptop, with individual power switches to save power. The USB port expander plugs easily into your laptops USB Type-A port. Plus, its bus-powered for easy portability.Please note this item is non-returnable, see our returns policy for more information.