A flexible mobile device that appropriately adjusts the arrangement of a plurality of speakers provided in a mobile device based on the type of audio content includes the plurality of speakers; and a processor configured to analyze audio data; determine an angle between bending sides of the flexible electronic device including the plurality of speakers based on a result of analyzing the audio data; adjust the angle between the bending sides of the flexible electronic device to the determined angle; and output the audio data via the plurality of speakers included in the flexible electronic device in a state in which the bending sides of the flexible electronic device are adjusted to the determined angle.