Etymotic Research set out to create the world’s most accurate noise-isolating headset + earphones under $100 for the cost conscious consumer. The mc3s deliver on this promise and provide consumers with the “Best-in-Class” performance benefits for their money. MC-3 earphone also headset for iPhone, iPad, and iPod touch products. Provides a 3-button micro-control pod with mic for easy control. Special driver design allows more compact size for greater in-ear comfort. Most accurate sounding noise-isolating earphones in this price class. High degree of noise isolation enables lower-volume listening, protects hearing. *This product is Recertified. A recertified product is one that is returned by a customer, for whatever reason, and then restored to original working condition after undergoing an intensive inspection process by qualified technicians. The recertified product is then offered at a substantially discounted price. All stock of our current products are guaranteed to be in working condition and have been successfully tested for optimal performance. 7 day return policy is in effect for both in-store and online purchases. See in store for more details.