Sennheiser 504403 Headset - Wired<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> USB connectivity - easy handling and convenience for connecting to a softphone </span></li><li><span class="a-list-item"> Best-in-class comfort - CircleFlex patent-pending dual-hinge ear cup system that adapts seamlessly to your ears， for instant perfect fit and relaxed all-day wearing </span></li><li><span class="a-list-item"> Noise-canceling microphone - filters out ambient noise for optimum speech clarity </span></li><li><span class="a-list-item"> Unique robust construction - crafted with look and feel in mind </span></li><li><span class="a-list-item"> Single-sided wearing style - numbered headband grooves for step-by-step adjustment for instant perfect fit </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/411okruffLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/310N4xZYXcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31hgvOxbFrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BlmDOLLzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wWlpMQXbL.jpg" noproxy>