IPX7 Waterproof: With ergonomic design and silicone ear hooks, wireless headphones secure stay on your ears, feel great to wear and will never fall out. Upgraded Waterproof Rating, 100% prevents ordinary splashing water and rain. One Step & Auto Pair: Equipped with the latest bluetooth 5.3 technology, easy to connect to your electronic device such as IOS/Android/Windows equipment, and 1 SECOND auto pair to your device next time. Up To 16 Hours Playtime: With an improved polymer lithium battery, Boean sports headphones offer up to 16 hours of playtime . Enjoy a superior audio experience with extended endurance. Powerful Bass Stereo Sound: Upgraded headphones bluetooth with 11mm dynamic drivers with sound isolation tech provied you a fantastic sound quality with powerful bass sound and supper crystal clear calls. Flexible Earhook Design For Sport: Boean headphones wireless bluetooth are lightweight and ergonomically designed to provide unparalleled stability. The earhooks ensures a snug and reliable fit during intense workouts, perfect for running, jogging, hiking, biking, and gym sessions.