Plantronics M90 Wireless Bluetooth Headset (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 Reduces noise, wind, and echo from calls and delivers HD audio clarity when used with wideband-enabled smartphones and mobile service Select one of three language options for status alerts on remaining talk time, battery level, and more Lightweight design and soft eartip let you put it on and forget you Reduces noise, wind, and echo from calls and delivers HD audio clarity when used with wideband-enabled smartphones and mobile service; Select one of three language options for status alerts on remaining talk time, battery level, and more; Lightweight design and soft eartip let you put it on and forget you