The Targus Ultra Mini 4 Port USB Hub will allow your notebook computer to have plug and play connection to multiple input/output USB devices. The hub features a 4-port bus and self-powered stand-alone USB hub (AC Adapter is optional). Packaged in a small and attractive enclosure, the hub can fit any place on a desktop, allowing for easy connection of four low-speed or full-speed USB devices to your USB-enabled computer.