OpenSwim takes open-ear listening to new depths. The IP68 waterproof design withstands total submersion in up to 2 metres of water. With up to 8-hours powerful battery life and 1200 songs storage, you can continuously enjoy the extraordinary underwater sound quality. Its the unbeatable choice for swimming.Equipped with the patented PremiumPitch 2.0 bone conduction technology, OpenSwim (Formerly Xtrainerz) achieves 50% less sound leakage, and provides extraordinary underwater sound quality.IP68 waterproof design withstands total submersion in up to 2 metres of water.Compatible with swim caps, goggles and earplugs. OpenFit titanium design equipped with wraparound flexibility for reliable stability in any situation.