H2O Audio has introduced an updated version of its Interval Waterproof Training System for the third-generation iPod shuffle. The head-mounted Interval completely encloses the shuffle, offering waterproof protection down to 10 feet, exterior controls for volume and music playback, a unique design that attaches easily to most swimming goggles, and integrated in-ear headphones with neodymium drivers and seven included earplugs of varying sizes. H2O…
