Made for swimmer and divers, the X-1 Audio Surge 2G Waterproof Sport Headphones combine waterproofing technology and sleek aerodynamic design with powerful speakers that provide a rich sound and a comfortable fit in and out of the water. These athletic headphones are able to withstand heavy perspiration, rinsing after active use, and submersion in up to 12 feet of water for an unlimited amount of time. The X-1 Surge 2G Waterproof Headphones are built with an ergonomic sheared shape that sits flush with the ear and is designed to promote proper alignment of the earbud with the ear canal for superior sound and less drag, in or out of the water. The latest waterproof technology allows the X-1 Surge 2G Headphones to deliver improved bass quality, while sound-isolating, watertight earplugs provide warm sound and dynamic bass response powered by Surge's waterproof 8mm neodymium drivers. Includes 5 sets of Elastomer earplugs to ensure a waterproof seal and comfortable fit while swimming, running, and working out. X-1 Surge Headphones are precision engineered and individually tested to deliver high quality fit, function, and durability for long-lasting performance.