Wearable device

Abstract

A wearable device adapted to be worn on an ear is provided. The wearable device includes an acoustical component and a wearing component. The acoustical component includes a guide surface located on a virtual plane. The wearing component is connected to the acoustical component, and an extension line of the acoustical component is different from an extension line of the wearing component. When the wearable device is worn on the ear, at least one of the acoustical component and the wearing component contacts at least one of a tragus and a concha cavity of the ear, and an airflow flows from a first side to a second side of the virtual plane. The airflow forms a stagnation point on the guide surface and a first region on the second side. The Reynolds number of the airflow in the first region is less than

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