STAY PUT IN EARS SPORT EARBUDS - The over earhook works with different ear shapes and keep the ear buds stay in place even when getting sweaty. You don't have to jam the ear bud deep in the ear to avoid falling out and no need to constantly adjust the earbuds. A shirt clip is included to help stabilize the set and avoid cable getting in the way while doing different exercises. A great music listening set for running, jogging, hiking and gym workouts. COMFORTABLE FOR PROLONGED USE - With soft over-ear hook and lightweight design, these wrap around earbuds are comfortable to wear for long periods of time. You will hardly feel them even when wearing glasses. You can choose the optimum fit for your ears with 6 pairs different sizes of silicone and foam eartips. Suitable for prolonged use for listening to music, audiobooks, podcasts and long calls. The 52in/130cm cord allow earbuds easily plug into the treadmill without feeling constricted. CLEAR BALANCED SOUND AND GOOD NOISE ISOLA