The Pyle PSWP4 is a waterproof neckband MP3 player (black) with 4GB of storage - perfect for listening to music while training in the pool. It's IPX-8 rated, for submersion in the water up to 3.3 feet. Plus, they've been designed to work with your swimming goggles without interfering. Connect to your computer via USB to load your favorite MP3 or WMA music files. It's easy to copy your music to this MP3 player - simply drag and drop your music files on the drive. It runs on a rechargeable battery for up to 10 hours of playback. The PSWP4 includes two sets of headphones, one for water and one for land.