The Sansui Waterproof Bone Conduction Bluetooth Headphones are designed for running and outdoor sports. Featuring an open-ear design, these headphones allow you to enjoy music while remaining aware of your surroundings for enhanced safety. Using bone conduction technology, they deliver sound without blocking the ear canal, ensuring long-lasting comfort. Built with sweat and water resistance, they are ideal for fitness, running, and outdoor training. The lightweight body and secure ear-hook structure provide a stable fit that won't slip during intense movement.