Enjoy music in its purest form stay put in ears while working out snug fit ear buds and the wrapped around the ear wire double ensure these workout earphones stay in ears in sport. These are running headphones you can really run with and don't slip out of your ears. You don't have to adjust the earbuds any more. The additional shirt clip will help you stabilize the set in different sports. Great sports earphone for running, fitness walking, jogging, gym, cycling and hiking isolate noise from the music that you are listening to. These sound isolating earbuds block out noises, allow you to easily enjoy your personal music world anytime anywhere, even at noisy streets. The sound is clear, loud and with bass. You can hear the sound clearly and don't have to walk to quiet corners to answer phone calls any more. Comfortable wearing these exercise earphones will not hurt your ears. They are lightweight and so comfortable to wear that you can even sleep with them. There are 3 pairs of different size backup ear tips for your custom fit. Convenient phone/music/volume control you can easily control music/answer phone calls during commuting or gym with these earphones by remote and mic. You can answer/end calls, play/pause music, volume up/down, skip to the next/previous song, start apple siri, by using in-line control unit. Compatible with apple iPhone, iPod, iPad, mp3, tablet, pc and android devices.