Designed for real athletes, nothing was more important than sound. Powerbeats Pro delivers powerful, balanced sound with dynamic range and noise isolation for a premium listening experience.Powerbeats Pro delivers a faster and more stable wireless connection to your device for extended range and fewer dropouts.Reinforced design for sweat and water resistance with adjustable, secure-fit ear hooks for added comfort and stability.Each earbud has up to 9 hours of listening time so you can keep your music going.With the charging case, you’ll get more than 24 hours of combined playback.If you’re in need of extra juice, 5 minute Fast Fuel charging gives 1.5 hours of playback when the battery is low.Volume and track controls on each earbud so you can play both sides, or just one at a time.Sensors detect when you’ve put the earphones in your ears to start playing music and pause when you take them out.