These headphones are tested at depths up to 5 meters for up to 2 hours, making them equally suited for open-water swims and afternoon lap sessions alike. Intuitive and customizable Easy integration via the Suunto App. No more fumbling with clunky user interfaces. The app allows you to dial in all aspects of your headphones, from music storage and management to button customization, swim analysis, and more. (These open-ear bone conduction waterproof headphones are built to move with you as you swim far, run hard, and pedal full force. The Suunto Aqua joins the Suunto Wing and Suunto Sonic to take bone-conduction headset technology to new heights (and depths). Listen to podcasts or swim to your favorite tunes with these featherlight, open-ear headphones. The waterproof Suunto Aqua ensures that your audio experience doesn't stop at the shoreline, whether you're swimming in open water or paddling a river.