A wireless USB device that performs a communication conforming to a wireless USB standard with a plurality of wireless USB hosts includes a reception-time-information receiving unit that receives reception time information indicating a data reception time specified by each of the wireless USB hosts, a configuration determining unit that determines, when the reception-time-information receiving unit receives the reception time information from a wireless USB host, whether a configuration is set for the wireless USB host, and a configuration unit that sets, when the configuration determining unit determines that the configuration is not set for the wireless USB host that transmitted the reception time information, the configuration for the wireless USB host that transmitted the reception time information.