A headphone device includes a pair of headphone units composed of a left headphone unit and a right headphone unit, a band section that is attached to the left headphone unit and the right headphone unit, and arranged so as to be positioned at the back of a head, a headphone cord attached to the left headphone unit or the right headphone unit, and a headphone cord attaching section that freely changes a branch point of the band section and the headphone cord by moving along the band section in a freely sliding manner in order to place the headphone cord along the band section to integrate the headphone cord and the band section with each other.