Plantronics Blackwire C520-M Binaural USB Headset Category_Best4Headsets/3M Peltor Headsets/3M Peltor X-Series Ear Defenders Single-sided wearing style (monaural) –

Single-sided wearing style (monaural) – numbered headband grooves for step-by-step adjustment for instant perfect fit

Soundguard Digital Protection

EPOS | SENNHEISER ADAPT 460 Headset

Simultaneous Bluetooth connections: 2

Place or receive call without the need for a mechanical lifter

Plantronics Blackwire C520-M Binaural USB Headset Category_Best4Headsets/3M Peltor Headsets/3M Peltor X-Series Ear Defenders Single-sided wearing style (monaural) –Optimised for Microsoft Lync Microsoft Office Communicator Binaural USB Headset Hi Fi Stereo Sound Dynamic EQ automatically adjusts audio settings between voice calls and music PC wideband audio noise canceling Noise Cancelling Microphone Digital Signal Processing (DSP) Headset control panel UC presence automatically updated when on a call One touch call controls: answer end volume mute Smart Sensor technology answer a call by putting on the headset