Plantronics Voyager Edge Wireless And Hands-Free Bluetooth Headset, Gray/Black (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Charging case enables up to 16 hours talk time (6 hours without case) Responsive sensors automatically answer calls as you place headset on your ear Take calls without pressing a button - hear Caller ID then say "Answer" Signature Plantronics audio technology eliminates disruptive background noise