Patent ID: 8675904

Claim:
A headphone device comprising: a housing comprising a speaker unit; and a band formed of a series of links and connected to the housing at an end of the band, each link of the series of links being connected to at least one other link by a joint, wherein the each link of the series of links comprises: an angle limiter for limiting a rotation angle between the each link and an adjacent link, a cylindrical protrusion and a circular opening, wherein the cylindrical protrusion of the each link is adapted to fit into another circular opening of the adjacent link to connect the each link and the adjacent link, wherein the band has an elastic force in a direction in which the housing presses an auricle by limiting the rotation angle, and wherein at least one link of the series of links can be attached to or detached from the series of links at a first joint and a second joint, wherein the first joint connects to a first link of the series of links and the second joint connects to a second link of the series of links, the first link and the second link configured to be connected to each other when the at least one link is detached from the series of links.