OVERVIEW: The Crank Sport is a premium bone conduction headphone designed for rugged use. Open-ear headphones are perfect for your outdoor adventures. You remain spatially aware and connected to your surroundings while avoiding ear pain from extended use. Bone conduction audio is also more sanitary and prevents bacteria from getting trapped in your ears. KEY FEATURES: ALL-DAY OPEN-EAR COMFORT: Crank bone headphones allow you to enjoy high quality music with ultimate ear comfort. Vibrations...