PURPOSE: A USB connector is provided to electrically contact a plug of a mating USB connector to a power port of a USB connector in case the mating USB connector is inserted into the USB connector. CONSTITUTION: A USB(Universal Serial Bus) connector includes a power port(1) and a sub power port(10). The power port of the USB connector is electrically contacted to a mating power terminal of a mating USB connector. The power port and the sub power port are adjacent to each other. A contact part of the mating power port includes a contact part of the power port on the same plane.
