| 摘要 |
A car audio is provided to protect a passenger from a USB memory stick by permitting a USB port to be extensible from/retractable into a mounting unit. A car audio includes a main body(120) and a front panel(110) mounted on a front surface of the main body. The front panel has a mounting unit(111) for mounting a USB port(113) such that the USB port is extensible from/retractable into the mounting unit. The main body has the inside in which a winding unit(130) is arranged. The winding unit has a cord reel for winding a USB cord(114) of the USB port. The cord reel includes a first cord reel(131a) and a second cord reel(131b) spaced apart from each other. The USB cord is wound over the first cord reel and the second cord reel.
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