| 摘要 |
An earphone spiro-device is used in an electrical device for rolling up the wire of the earphone. The earphone spiro-device includes a rolling axle, a rotating element and a controlling element. The surface of the rolling axle has a spiral trough for containing the wire of the earphone. The rotating element can drive the rolling axle in the specified direction and then roll the wire of the earphone along the spiral trough. Also, the controlling element can control the rotation of the rolling axle.
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