Plantronics Backbeat Sense Black/Espresso Stereo Bluetooth Wireless Headphones (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. Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Hands Free Profile (HFP), Headset Profile (HSP) Mute, volume, power on/off, answer/end, play/pause, next/previous track COMFORT: Pillow-soft, memory foam cushions give these special edition headphones the comfort to where all day. answer/end, mute, next/previous track, play/pause, power on/off, volume