Be open to the world around you with the Aftershokz Xtrainerz Waterproof Open Ear Headphones. Bone conduction technology allows for both high-quality sound and situational awareness to deliver a hearing experience like no other. With nothing inside or over your ears, enjoy bud-free, pain-free listening with headphones that stay in place. Built-in storage allows for a library of up to 1,200 songs ready to play at the touch of a button. NOT BLUETOOTH COMPATIBLE. A new kind of swimmer’s ear. An IP68 waterproof design withstands total submersion in up to 2 meters of water. Designed to go the distance. Powerful battery enables a premium audio experience for up to 8 hours.