Sennheiser Century SC 660 USB ML Premium Dual-Sided Wired Headset (504553)<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"> Optimized for Skype for Business - with integrated call control and USB connector </span></li><li><span class="a-list-item"> Sennheiser voice clarity - wideband sound for a natural listening experience </span></li><li><span class="a-list-item"> Ultra noise canceling microphone for perfect speech transmission </span></li><li><span class="a-list-item"> Sound-enhancement profiles - perfect for communication and music </span></li><li><span class="a-list-item"> Dual-sided high-quality neodymium speakers for outstanding high definition stereo sound </span></li><li><span class="a-list-item"> Premium dual-sided wired headset optimized for Microsoft Lync， with built-in call control unit </span></li><li><span class="a-list-item"> Designed for quality-conscious contact center and UC professionals requiring outstanding sound performance while maintaining contact with surroundings </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Comfortable fit that lasts all day and a solid sense of quality</span></li><li><span class="a-list-item">Built to sound superb， look stunning and outlast the competition</span></li><li><span class="a-list-item">Conversations are crisp and clear for speaker and listener-even in noisy environments</span></li><li><span class="a-list-item">Century is crafted with high-end materials to ensure maximum durability and design quality</span></li><li><span class="a-list-item">Stainless steel hinges， brushed aluminum parts and Kevlar cables defending headset against everyday use</span></li><li><span class="a-list-item">Large leatherette ear-pads to the unibody headband construction for maximum strength at stress points</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/418yYFCQ7zL.jpg" noproxy></div></div>