Jabra UC VOICE 550 MS Mono Lync Optimized Corded Headset for Softphone<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> HD Voice - High quality audio for crystal clear conversations Enjoy high-definition sound with HD Voice and get crystal clear， intelligible communication </span></li><li><span class="a-list-item"> 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 </span></li><li><span class="a-list-item"> UC Plug-And-Play - Jabra devices feature intuitive call control and seamless connection to all leading UC applications and softphones. </span></li><li><span class="a-list-item"> Noise Canceling Microphone reduces unwanted background noise and the noise-canceling microphones reduce unwanted background noise and are ideal in crowded and noisy， open office environments. </span></li><li><span class="a-list-item"> Flexible boom arm tip for optimal positioning - The Jabra UC Voice 550 headset has a flexible boom tip arm to ensure the ideal microphone placement. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uwf9bOJGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315iuu4ZCnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31s6qG4atxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FWqPRlV-L.jpg" noproxy>