Wireless sport headphones for athletes who stop at nothing. With a comfortable ultra-stable fit, sweatproof durability, and up to 24 hours of power, BackBeat FIT 6100 will keep up in and outside the gym.Key Selling PointsAdjustable Sport-fit headband for maximum stability.Powerful 40 mm drivers and a noise-isolating design for deep, rich sound.Memory foam headband and ear cushions for all-day comfort.Sweatproof and IPX5-rated water resistance.Up to 24 hours of power on a single charge.