Description: - New design with aluminium housing, sleek Apple style design. - Best solution for USB port expansion. - With USB3.0 specification, data transfer speed up to 5Gbps. Backward compatible with USB2.0/1.1. - With an optional power port (Micro USB). By connecting to external power supply, it can supply power to peripheral devices. - Plug and play, no need to install driver. What's in the box Unitek USB 3.0 4-Port Aluminium Hub