Aftershokz Trekz AirThese bone conducting headphones worn outside of your ears will change your life! The Trekz Air are another iteration of the Aftershokz wireless headphones. * Designed to rest in front of the wearer's ears, these headphones conduct sound through the cheekbones and into the ear canal, leaving your ears open and your hearing unobstructed. This permits the listener to hear more than one source of audio at a time. * Easily listen to directions from your