| 摘要 |
A slidable Bluetooth earphone includes a main body having a first body with an accommodating space in which a sound transmission device is mounted, a pair of positioning pieces being oppositely protruded from both lengthwise sides of the first body, a second body being formed at a front end of the first body, a resilient arm being formed at each of opposite sides of the second body in a manner to extend backward to the positioning piece, a flange being formed on a bottom of the resilient arm, and a sliding mechanism being mounted between the first body and the second body; a pressing element, mounted on the first body; and a connector, having a main axis penetrating both sides of the first body
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