Safety: Train safer with always aware eartips 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 Comfortable design: Backbeat fit 3100, recognized as a 2018 ces innovations award honoree, features a soft, flexible and secure-fit earloop design that provides a comfortable fit and remains stable during your most rigorous workouts Long-lasting battery: Bluetooth earbuds have up to five hours of wireless power so you can move more and charge less. Plus, a soft shell charging case stores your wireless earbuds and offers upto 10 additional hours of power between charges so you can listen even longer Waterproof and sweatproof: IP57 rated durable, sweatproof and waterproof design protects the earphones from sweat, rain, and spills and can withstand your most rigorous workouts Backbeat app: Easily install firmware updates, personalize your earbuds with the new my tap feature, and choose your preferred voice prompt language, all from the backbeat app
