Exceptional Qualcomm Bluetooth 5.0 Chip Performance The latest Bluetooth 5.0 solution improves transmission efficiency, reduces losses, and makes connection faster and more stable.Up to 30 hours of playback Its built-in lithium battery allows playback for 5 hours continuously.And up to 25 hours of playback with the charging case.Perfect for playing sports Ergonomically designed to fit your ear better, making them comfortable and stable, making it easy to use while playing sports.One-touch touch control, easy to operate It has a touch control on each headset that allows you to listen to music, play songs or answer calls easily.IPX4 Waterproof The headphones pass the IPX4 Water Resistance test to prevent sweat erosion on the headphones.Package Contents Headset Set x 1 / Charging Cable x 1 / Headphones x 3 / Storage Case x 1 / User Manual x 1.