Poly (Plantronics)

Poly Blackwire C3220 USB-A

Intuitive, inline controls let you answer/end, mute, and control the volume of PC calls with ease
Simple plug-and-play USB connectivity
Lightweight metal headband offers durability and a customizable, comfortable fit
Binaural
Wideband delivers heightened speech clarity, providing the best possible PC audio quality
Dynamic EQ feature automatically adjusts audio for voice or multimedia use
Noise-canceling microphone reduces background noise
Enhanced Digital Signal Processing (DSP) provides more natural sounding voice