An earphone that possesses an outer ear canal insertion member for which at least a portion can be inserted into the outer ear canal, a housing onto which the outer ear canal insertion member is installed, a driver unit which is disposed within the housing and which generates sound, a first retention member through the interior of which passes a cable connected at one end to the driver unit and which is itself directly installed to the housing, and a second retention member through the interior of which passes the cable and which is itself installed to the first retention member; and when the second retention member is installed to the first retention member, the first retention member grasps the cable.