The purpose of the present invention is to provide an earphone with a better fit and with an improved sound quality. An earphone 20 is provided with: an elastic housing 21; a speaker 24 contained within the housing 21; and a nozzle 26 fixed on the housing 21. The nozzle 26 includes a sound guiding part 33 through which sounds from the speaker 24 pass and is configured such that the orientation of the sound guiding part 33 relative to the housing 21 can be adjusted by elastic deformation of the housing 21.