Patent ID: 8315416

Claim:
A necklace type sound reproduction apparatus detachable from a media player, the apparatus comprising: a wire attached to the sound reproduction apparatus to be worn on a user's neck; an interface module for electrically connecting the apparatus to a media player to transmit and receive a data to and from the media player; a controller for decoding an audio data of the data received by the interface module to be output as an acoustic signal; a stereo speaker module having two speakers, each speaker being disposed at each end portion of a main body of the necklace type sound reproduction apparatus, the speaker module reproducing the acoustic signal being outputted from the controller in stereo; and an interface connector for detachably attaching the main body to the media player, wherein the controller controls an output of the stereo speaker module according to a distance from the speaker module to ears of the user obtained from a length of the wire such that the acoustic signal reaches the ears of the user.