Bose Sport Earbuds are designed from the ground up to energize your exercise with acclaimed lifelike sound and a comfortably secure fit. Proprietary technologies make your music sound clear and balanced, no matter how loud you turn it up. The earbuds’ sleek design allows them to sit close to your ears. And the eartips won’t hurt your ears no matter how long you exercise and won’t fall out no matter how much you move. Get ready to beat your personal best, again and again.