The Shokz OpenSwim Wireless Headphones is made for swimmers and water lovers. It offers a smooth listening experience in and out of the water. These waterproof headphones are made for wet environments. They guarantee all-day, pleasant listening at the beach or in a pool. With 4GB of internal music storage, you don't need a separate device to enjoy your favorite songs. The cutting-edge 7th generation bone conduction technology produces high-quality sound. It also lets you stay aware of your surroundings. You can work out, swim, or just listen to music. The battery lasts eight hours, so you won't be interrupted. The silicone rubber case is useful for storage and transport. Also, it charges quickly—two hours—so you're prepared for your next trip. The Shokz OpenSwim Wireless Headphone is ideal for an active lifestyle, in and out of the water. Enjoy the freedom of music and movement.