Bluetooth headset with loud speaker

A Bluetooth headset is provided to enable plural users to listen to the same music which is outputted from a loud speaker, at the same time. A Bluetooth headset includes a Bluetooth module(201), a voice signal converter(203), an amplifier(209), and a loud speaker(211). The Bluetooth module communicates with a portable terminal. The voice signal converter converts voice data, which is received through the Bluetooth module, to an analog signal. The amplifier amplifies a magnitude of the analog signal. The loud speaker converts the amplified analog signal to a sound and outputs the sound. An earphone converts the analog signal to the sound. A switch is switched to one of the loud speaker and the earphone.