Aftershokz Aftershokz developed state-of-the-art headphones. These headphones are specially developed for physical sports like running. The headphones uses the 'bone conducting technology'. This is a special technique for transporting noise to the listener. Instead of the traditional way, the end of the headphone is placed before the ear. Because of the vibration the listener can hear the music. Both the noise of the environment as the noise of the music can be heard by the runner because of this special way. This prevents unsafe situations.