| 摘要 |
A dustproof mask of the headphone structure is provided, which exposes the facial area to the utmost and solves the wearing refusal due to the warmth and sweat. A dustproof mask of the headphone structure comprises: a nose insertion part which has the structure of the headphone shape and is provided with the air coming in through the filter; an inlet valve and an exhaust valve which selectively control airflow; a mouth insertion pipe for air inflow and air-blocking; and an earring which is installed at both ends of the filter to use the filter by arranging it to the lower part of the back of the head.
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