Plantronics Voyager 815 Bluetooth Headset (Black) (Discontinued by Manufacturer) Plantronics AudioIQ two-way noise reduction technology  now every word can be clearly heard, regardless of the surrounding noise A sliding boom brings your voice closer to the microphone and allows convenient call answer/end Sound-isolating earbud design seals out external noise so you can focus on your conversations Plantronics multipoint technology lets you stay connected with two Bluetooth mobile phones With up to seven hours of talk time on a single charge, you can take care of business