Mixx Assistive Audio Music - so you can groove to the beat without ringing ears. These earbuds are equipped with a specially developed membrane filter that reduces the volume without compromising the sound quality. You'll hear the bass and treble the way you're supposed to, just at a safer listening level. These earplugs are made of medical grade silicone and are washable and reusable. Three sizes are included for the perfect fit, and they come with a handy travel case to keep them safe.