Can you make a super small waterproof prototype mp3 player?
- circular housing and no larger than a U.S. nickel in diameter.
- top of the housing would have an insertion for a 1/8 headphone jack.
- the height could about 1/4 inch to a 1/2 if need be. (the smaller the better)
- the housing must be waterproof.
- the player will autoplay one song when headphone is inserted.
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