The Plantronics Blackwire C610-M A Headset for Constant Communicators Unparalleled call clarity, dynamic EQ stereo to adjust automatically for voice and multimedia use Wideband support, for best quality PC calls Noise-canceling microphone squashes background noise Enhanced Digital Signal Processing (DSP) technology provides more natural voice sound SoundGuard technology provides protection against audio spikes Engineered for All-Day Comfort Adjustable headband, soft ear cushions Call controls at your fingertips; call answer/end, mute, volume +/- BRAND : PLANTRONICS
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