本发明通过USB接口可直接读取USB内媒体文件进行音乐播放，使用方便，轻松享受音乐；
The sound can directly read media files in USB (Universal Serial Bus) by a USB interface to play music and is convenient to use, and thereby, people easily enjoy music;
本发明通过USB接口可直接读取USB内媒体文件进行音乐播放，使用方便，轻松享受音乐；
The sound can directly read media files in USB (Universal Serial Bus) by a USB interface to play music and is convenient to use, and thereby, people easily enjoy music;
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