Plantronics Voyager Pro HD Wireless Bluetooth Headset - Black (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 product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Signature Plantronics audio technology features crisp high definition audio Compatible with Bluetooth devices P2i nano-coating technology keeps the headset protected from liquids WindSmart noise cancellation; 6 hours of talk time; 5 days standby time; Discrete design; Comfortable for 24/7 wear; Smart Sesnor technology senses when the headset is on