<http://schema.org/description>
"If all you do is swim in the pool and play the occasional game of Marco Polo, you are missing out. An underwater sound system could get you doing the electric boogaloo on land and in water. How cool is that?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://electronics.howstuffworks.com/gadgets/audio-music/underwater-sound-systems3.htm>