Plantronics Blackwire C520 Over-the-head, Stereo (Standard) 88861-01 HL10 Handset Lifter courtesy of C720’s Bluetooth features

courtesy of C720’s Bluetooth features

PC Wideband delivers heightened speech clarity

at-your-fingertips interface enables representatives to bypass on-screen call control menus for better focus on callers

You always know whether you're on mute—just glance at the screen* or check the USB adapter

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Plantronics Blackwire C520 Over-the-head, Stereo (Standard) 88861-01 HL10 Handset Lifter courtesy of C720’s Bluetooth featuresUC Standard version built for UC applications and softphones from Avaya, Cisco, IBM, Skype and more 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