Here is a pair of waterproof headphones designed for your Apple Watch. The Interval Swimming Headphones are designed to work with all your favorite music and podcast apps. You can use the My Swim Tracker app to get audio lap counting and coaching and log all your swims.
This pair of headphones have integrated goggle loops. They are IPX8 rated and submersible to 12′. The rechargeable battery lasts over 6 hours. Interval has Bluetooth 5.0 connectivity.