| 摘要 |
PROBLEM TO BE SOLVED: To prevent an earphone from falling easily.SOLUTION: An earphone that can be attached tightly to an ear, and can maintain excellent attachment state is provided. An auricula insertion body 16 is provided on the outer peripheral face of a speaker housing 14 for housing the speaker unit 31 of an earphone. The auricula insertion body 16 is formed continuously for the speaker housing 14, and includes a protrusion 33 formed to protrude outward from the outer peripheral face of a speaker housing 14, as a portion of the auricula insertion body 16. The auricula insertion body 16 includes a side face facing a tragus 114 or an antitragus 115, and the speaker housing 14 is placed between the tragus 114 and antitragus 115 of an auricula 110. |
