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heard something about Diamond's Rio MP3 player, what kind of media it use to store music file? and is it possible to hook it to large speaker instead of headphone because the louder the volume the better the effect i can get in real.(but it only use 1 AA battery so is there a power adpter?)
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heard something about Diamond's Rio MP3 player, what kind of media it use to store music file? and is it possible to hook it to large speaker instead of headphone because the louder the volume the better the effect i can get in real.(but it only use 1 AA battery so is there a power adpter?)

about RIO MP3 player

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