The Sony WF-SP800N truly wireless sports headphones combine long battery life, resistance to water and sweat, and deep bass sound with digital noise cancelling. So when the going gets tough, they won’t let you down. With an IP55 rating, splashes, sweat and dust won’t stop these water-resistant headphones—or your workout. You can even rinse them after a tough training session. Long battery life—up to 9 hours (earbuds) + 9 hours with charging case and quick charging. With 2 sizes of arc supporters to ensure a secure fit even in tough workouts, and 4 sizes of long hybrid silicon rubber earbuds included, you can find the perfect fit for your ears to maximize sound quality and minimize outside noise. The compact charging case not only protects your WF-SP800N, it also lets you power up on the go. Holding a single further full charge, the case lets you enjoy up to 18 hours of music playback with noise cancelling switched on and up to 26 hours without. Quick charging is also available.