| 摘要 |
There is provided an in-ear earphone having a housing (50) for receiving an electroacoustic transducer and an expansion adaptor unit (20) which is coupled to the housing (50) of the in-ear earphone. The expansion adaptor unit (20) has an expansion unit (20) with an upper portion (26) having a curvature for fitting into a crus inferius anthelicis, an anti-helix and/or a concha of an ear of a user. The expansion adaptor unit further has at least one coupling element for coupling the upper portion (26) to the housing (50) of the in-ear earphone, wherein the expansion unit (20) has at least two flexible legs (22, 25) as coupling elements, wherein one leg (22) is coupled to a first end (28) of the upper portion (26) and a second leg (25) is coupled to a second end (29) of the upper portion (26).
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