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This is a fantastic gadget for people who love swimming and listening to music. The people ... invent it wanted to give swimmers a gadget ... allowed them to listen to their favourite songs under water. Now swimmers can listen to music in places ... it was impossible to listen before, such as in the sea or at the bottom of a pool. In 2007 the company developed a more advanced product ... makes the music sound even better. It sends special sound to the ear. The underwater MP3 player is now used by more than 35,000 people ... never go swimming without it.