| 摘要 |
A headphone accessory such as an outer casing for use in combination with a headphone system, which makes the headphone system more comfortable to wear, and serves various function suitable for long time wearing. The headphone accessory includes a sound field-forming member having a cylindrical part, which supports speaker units for reproducing sound from electrical signals or supports enclosures in which the speaker units are mounted, surrounds listener's ears and forms a space in which sound output from the speaker units or enclosures are collected into the listener's ears, and an outer casing formed of an elastic material, which can be separated from the circumference of the cylindrical part of the sound field-forming member and is directly in contact with the side of a listener's head around the ears. Various kinds of an outer casing such as a functional outer casing having improved ventilation for preventing sweating so as to be advantageous for long-time wearing, a fashionable outer casing made of various designs according to user's liking, and an outer casing capable of improving health using functions for keeping warm or cool according to the season and for acupressure, thereby effectively enabling headphones to be worn comfortably for a long time.
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