Plantronics Blackwire 500 C520-M USB Binaural Microsoft-Certified Version Headphone
Meet the Blackwire 500 Series corded USB headsets with our industry-first Smart Sensor technology. It easily and intuitively juggles PC calls and multi-media using audio alerts to manage connection, mute and volume status. With easy portability, it offers premium hi-fi stereo audio (Blackwire 520) and all-day comfort at your desk or at home.
