If you’ve always wanted to get your music fix while swimming or during any other underwater sports, your wish has been granted. MI-SPORT MP3 Headphones come with 1GB of memory, 8 hours of batter life and support for MP3, WMA and Wav audio formats. There’s no wire in these headphones, so no chance of strangling yourself underwater. These headphones will cost you $124.99. You can order one from their product page.