Beats Studio Over-Ear Headphones - Red (Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The resulting product includes all relevant accessories, comes with a minimum 90-day warranty, and may arrive in a generic box. Only sellers who meet a high performance bar may offer Certified Refurbished products on Amazon.com Active noise-cancelling for planes, trains, buses, and other noisy settings. Item requires batteries. Collapsable design with detachable cord for compact storage. Over-ear cushioning provides superior comfort for hours of listening. Specifically engineered to bring out the best elements of today's rap and rock music.