WIRELESS COMMUNICATION SYSTEM, SOUND REPRODUCING DEVICE, AND VEHICLE-MOUNTED INFORMATION DEVICE

摘要

A wireless communication system for performing two-way wireless communication between a vehicle-mounted information device (30) mounted on a vehicle (3) and a sound reproducing device (10) possessed by a pedestrian (1), wherein the vehicle-mounted information device (30) transmits a vehicle approach message in the direction of travel of the vehicle (3), and wherein the sound reproducing device (10) communicates with the vehicle-mounted information device (30) and controls the volume of the reproduced sound during viewing and listening when positioned in the area in which the vehicle approach message can be received.