MASTJUST Bone Conduction Headphones Bluetooth - Waterproof Open Ear Headphones - Wireless Sports Headset Sweatproof Earphones with Mic Induction Conducting Headphones for Running Workout Gym-Blue[UPGRADED BONE CONDUCTION HEADPHONES: Our bluetooth headphones are perfect for those who prefer a better way of listening while doing exercise. Unlike traditional in ear or air conduction headphones our headphones transmit sound directly to the inner ear through vibrating the temporal bones resulting in a more comfortable and efficient audio experience WITH AN IP65 WATERPROOF RATING: Our wireless bluetooth headphones are suitable for outdoor