SOL REPUBLIC Shadow Wireless In-Ear Headphones, Waterproof, Rich Bass, Earphones with Built-in Mic & Music Controls - Black/Silver (Certified Refurbished) This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look & work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty & may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon Premium sound with rich bass and detailed highs Comfortable, natural-fit design with built in mic and music controls Bluetooth 4.0 with aptX technology Built for durability, Shadow's collar and control buttons are waterproof.