The Plantronics Blackwire C420-M is a USB Foldable Computer Corded Headset that is optimized for Microsoft. Leading-edge audio technology delivers high-quality stereo sound for every PC audio use, on the go or at your desk optimized for Microsoft Office Communicator 2007 and Microsoft Lync 2010.-Plantronics Blackwire C420-M for the office, around campus, or on the road, this corded headset lets professionals enjoy crystal clear PC audio anywhere where work happens. Designed for all day comfort, this durable, stowable headset provides users with the freedom to experience PC audio, through a high quality headset. Features include: Folds flat and tucks into laptop bag, Protective travel case, Full range High Fidelity stereo sound, Noise-canceling microphone filters out background noise, QuickAdjust boom for ideal microphone placement, Call controls at your fingertips; call answer/end, volume +/-, mute and Simple plug-and-play USB connectivity. -Features:-Durable, portable design-Folds flat and tucks into laptop bag-Rugged design optimized for portability-Protective travel case-Superior sound quality-Digital Signal Processing (DSP) provides more natural voice sound-SoundGuard technology provides protection against audio spike-Full range High Fidelity stereo sound-Wideband for best PC audio telephony-Noise-canceling microphone filters out background noise-QuickAdjust boom for ideal microphone placement-Innovative, user-friendly design-Designed for extended wear-Adjustable headband for customized fit-Call controls at your fingertips; call answer/end, volume +/-, mute-Soft, adjustable headband-Simple plug-and-play USB connectivity-One year limited warranty-To get one-touch call answer/end with other softphones (Skype, Cisco, Avaya, etc.), download the latest release of Plantronics software, off the Plantronics website
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