Even the average Joe is packing several hundreds of dollars worth of equipment in their pockets on any given day, which means they're very vulnerable to water and sand (two things that should be a part of every great summer). Be prepared with these waterproof gadgets from H2O Audio.
Amphibx Fit Waterproof Armband for iPhone, Droid & Large MP3 Player, $59.99
Surge Contact 2G Waterproof Headset, $69.99
Interval 4G Waterproof Headphone System for iPod shuffle, $99.99