X-1 Headphones are made for those who dive in headfirst into their sport - literally! With their line of totally waterproof sport headphones, X-1 Audio has revolutionized the way athletes train. X-1 Headphones offer a completely sealed audio speaker system that is impervious to water and can be completely submerged in the pool - but still delivers beautifully crisp and clear sound to your ear. With X-1 Audio Headphones, you can have your favorite songs backing you up as you train. Get the added boost of music and push yourself the extra mile - whether you're swimming, running, or working out in the gym. No matter where your tastes run - from "Single Ladies" to "Eye of the Tiger" - your headphones will pound out the tunes while you pound out the yardage. Sweat, rain and damp are harmless to waterproof X-1 Headphones!