PLANTRONICS Blackwire C520-M Wired  (Black, On the Ear)

Corded reliability thats ready when you are. 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.Experience industry-first Smart Sensor? technology that lets you answer a call by simply putting on the headset ? making it the most productive and versatile corded headset on the market.Offering PC wideband, noise-canceling microphone and hi-fi stereo sound (C520), the Blackwire 500 Series provides a truly outstanding audio experience ? making it ideal for conference calls, webinars, listening to music and other multi-media. The Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when you?re listening to music or multi-media. Ultra-soft leatherette ear cushions and lightwei