Poly / Plantronics Poly Blackwire C3210 USB

Headsetss with UC (Unified Communications) cable for PC / Mac: USB connection Noise-canceling microphone Mono version (1 single earphone) Sound Protection SoundGuard ™ Broadband for better audio quality Light metal headband: durability, custom fit Call control from the cable: lift / hang up, volume, silence (mute). Compatible with all Softphones on the market, including Microsoft Skype For Business (Lync)