Brand new, unused. I have a few of these, but I think this is a masterpiece. The sound quality is extremely good for listening to music or for meetings, and the noise canceling is strong. I will gradually lower the price. Plantronics (poly) Plantronics/Voyager Focus UC B825-M Headset with Stand Plantronics has changed its name to poly. Wireless headphones equipped with a Bluetooth-compatible noise-canceling microphone. ■ Main Specifications ・Continuous talk time: Approximately 12 hours maximum (approximately 10 hours with ANC on) ・Audio playback time: Approximately 15 hours maximum (approximately 12 hours with ANC on) ・Active Noise Cancellation (ANC) technology ・Noise-canceling microphone ・Bluetooth function ・Certified for Skype for Business, ideal for Microsoft Lync ・With stand All parts are included.