SafetyTrain safer with Always Aware ear tips that are designed to let in ambient sound, allowing you to simultaneously listen to music and hear your surroundings. Quick charge Up to 1 hour of listening time with a 15-minute charge.Long-Lasting BatteryBluetooth earbuds have up to five hours of wireless power so you can move more and charge less. Plus, a softshell charging case stores your wireless earbuds and offers up to 10 additional hours of power between charges so you can listen even longer.IP57IP57 rated durable, sweatproof and waterproof design protects the earphones from sweat, rain, and spills and can withstand your most rigorous workouts.Backbeat APPEasily install firmware updates, personalize your earbuds with the new My Tap feature, and choose your preferred voice prompt language, all from the BackBeat app.