Jabra GN2000 USB Duo MS Lync Optimized Corded Headset for Softphone UC Plug-And-Play - Jabra devices feature intuitive call control and seamless connection to all leading UC applications and softphones. Hafiz Sound Peak Stop - Peak Stop technology immediately removes potentially harmful loud sounds or tones before they reach your ears and keeps the sound level within the safe range to protect your hearing. Talk in Comfort - Assure total comfort with a wide range of styles that match your individual needs and personal fit requirements.