Parrot Zik Wireless Noise Cancelling Headphones with Touch Control - Yellow Gold (Certified 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 Tactile touch panel that enables sensual movements, head detection sensor Highly performing active noise control, specialized musical image Bone conduction sensor, five microphones and a powerful digital signal processor