| 摘要 |
PURPOSE: A main body earphone is provided to arrange a retractable earphone line structure in a computer main body, thereby improving user convenience. CONSTITUTION: An earphone line retracting device in a computer main body has a structure similar to a retractable cable structure of a vacuum cleaner. A retractable earphone line structure is provided to improve user convenience. An earphone is inserted into the computer main body in order to neatly arrange earphone lines. The retractable earphone line structure simplifies a complicated structure of the earphone. The retractable earphone line structure has same properties as a vacuum cleaner cable insertion structure. The retractable earphone line structure is able to prevent contamination of the earphone such as bacterial infection.
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