This is a very small and very simple MP3 player, for beginners to learn how to use.

这是一个很小很简单的MP3播放器，适合初学者学习使用。

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More impressive than that was the way Apple transformed its business with a simple (but innovative) MP3 player: the iPod.

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Simple it may be, but the music player can deal with a handful of common formats including MP3, WMA, AAC and MP4 -- all can be set as your ringtone or system sounds within the player.

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