H2O Audio has debuted its new Interval Waterproof Headphone System for the fourth-generation iPod shuffle. The Interval is a waterproof case for the iPod shuffle that offers external track controls, submersible protection down to 12 feet, integrated goggle loops for attaching to most swim goggles, integrated Surge 2G headphones with short cables to keep the system contained to the user’s head, and five included sets of Elastomer earplugs for…
