4 Port USB 3.0 Hub No Power

4 Port USB 3.0 Hub<br /> * 4 x USB 3.0 Type-A Superspeed (5Gbps)<br /> * Downward Compliant with USB version: 1.1/2.0<br /> * External DC charging port<br /> * Built-in LED indicator<br /> * 4-port current overload detection<br /> * Plug and play, easy to use, no need to install any drivers<br /> <b>Note: Optional DC power input required for full 5V power on all ports (not included)</b>