H2O Audio via Gadling: Looking for a way to take videos underwater ad on a tight budget? Got an iPod nano 5th gen that takes video? H2O Audio has the answer: the Waterproof Case for iPod nano with Video (5th Gen). This thing is 100% waterproof and submersible to 12-feet underwater. With H2O Audio’s proprietary Commander scroll wheel interface you have access to all of the controls on the iPod nano. The polycarbonate construction also protects from drops, knocks and scratches. Price is just US$79.99.