Headphones that work as hard as you do, featuring an open-ear design, lightweight comfort, and dynamic sound range for training and life on-the-go. Bone conduction technology leaves ears open to ambient sounds. No wires, no bulk and no limits, the Air is designed to fit your every move, wraparound titanium ensures comfort, flexibility, and long wear. Sweat proof and IP55 Water resistant, these headphones will repel sweat, dust and moisture so that you can go hard in every element and keep pushing the limit. With a 6-hour battery life and dual noise-cancelling Mics, taking calls while on the go is effortless.