Weighing just 29g, the Aftershokz Openmove offer revolutionary open-ear listening and are considered to be the best-in-class, entry-level, bone-conduction headphones. With nothing inside or over your ears, patented bone conduction technology allows the sound of traffic and music to be heard at the same time. The Openmove has a duo noise-cancelling microphone that eliminates ambient noise for a stable connection for phone and video calls. They are also sweat resistant, meaning that they are ready for intense workouts. Finally, you shouldn't get held back by your headphones. With 8 hours of battery life, enjoy music, calls, audiobooks, and podcasts all day long. Aftershokz Openmove | Electronics and Navigation | George Fisher