OpenRun

With nothing inside or over your ears, patented bone conduction technology allows for total awareness and comfort while you listen. Re-engineered technology delivers the widest dynamic stereo sound that bone conduction can offer. Say hello to deeper bass, less vibration and louder volume. With 8 hours of battery life, enjoy music, calls, audiobooks, and podcasts all day long. IP67 rating makes these fully sweat and waterproof to welcome intense workouts and extreme weather. *Not recommended for lap swimming*