Bose Sport Earbuds are designed to match your energy during a workout. Whether you're going for a morning run, learning new yoga poses, or playing basketball, these earbuds create lifelike sound with a comfortably secure fit. Proprietary technologies make your music sound clear and balanced no matter how loud you prefer your music. The earbuds come with three sizes of StayHear Max tips, so you can find your perfect fit. Get ready to beat your personal best, again and again.