The Micro Innovations Micro Mobile (USB204N) 4-Ports External Hub is a compact and versatile networking device that allows for the connection of up to 4 external devices to a computer via USB ports. With the trusted brand of Micro Innovations, users can expect reliable performance and quality design. This external hub is a convenient solution for expanding the connectivity options of a computer, especially for use in small office or home environments where multiple devices need to be connected.