A headphone includes a speaker casing and a headband. The speaker casing has a main speaker unit and a support member that supports the main speaker unit. The speaker casing is connected to the headband, and the headband is to be placed on a head of a user. The support member supports the main speaker unit with a main plane of the main speaker unit being positioned at an angle ranging from 10° to 30° inclusive with respect to a main plane of the support member, so that the main plane of the main speaker unit faces a side of an ear lobe of the user.