A mobile terminal having a terminal body, an audio output module located in the terminal body, a power supply unit located in the terminal body, an earphone port formed on one side of the terminal body and a controller configured to, when a plug of earphone having a cable-type battery is inserted into the earphone port while performing an audio output function, to select an audio output path for at least one of the audio output module or the earphone inserted in the earphone port to output audio sound according to the audio output function and to charge the power supply unit by the cable-type battery is provided. Accordingly, an audio sound can be output through an audio output path selected according to the intention of the user who has inserted the earphone having the cable-type battery.