Best Underwater Earphones for Swimming – Drip-Fly The Drip-Fly OZ5 is one of the best underwater earphones for swimming thanks to its IPX8 waterproof protection, open-ear bone conduction technology, and built-in 32GB MP3 storage. Unlike regular earbuds, it delivers clear audio underwater without blocking your ears, making it ideal for lap swimming, triathlons, and water workouts. The lightweight ergonomic design ensures a secure fit, while Bluetooth and offline playback provide flexible listening options for swimmers and athletes. https://drip-fly.com.au/pages/store