AfterShokz AeropexAeropex is the high end version of the open ear hearphones brand Aftershockz. With nothing inside your ear, patented bone conducting technology allows for total awareness and comfort while you listen. Re engineered technology delivers the widest dynamic stereo sound that bone conduction can offer. Now having a hike, bike, run in the city or in the woods while listening to your favorite podcast, music or artist has never been safer!