USB Port Expander: Extend your laptop or desktop computers USB port with 4 more USB 3.0 ports + 1 fast charging port for keyboard, mouse, printer, hard drives and more USB devices to plug in, Plug and Play, syncing data transfer speeds up to 5Gbps, no drivers required Fast Charging Port: This USB splitter with a fast charging port can quickly charge cellphones, tablets, cameras, speakers and PS4 Xbox controllers, etc. It automatically detects and delivers the optimal charging current speed up to 2.4 amps to charge your phone more than 50% in 30 minutes