What are the classification of car MP3? 2020-06-22
Car MP3 can be divided into the following five categories: Divided from the power supply mode: a little cigarette lighter car MP3 and battery-powered car MP3 (No. 7 battery or button battery). Divided from the sound source: there are independent audio interface type car MP3, U disk type car MP3 and car integrated MP3 player.
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