Philips LFH-3500 SpeechMike Premium USB dictation microphone<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"> Free floating， decoupled microphone for precise recording </span></li><li><span class="a-list-item"> Optimized control panel for comfortable working </span></li><li><span class="a-list-item"> Ergonomically shaped for perfect fit in the hand </span></li><li><span class="a-list-item"> Integrated motion sensor mutes microphone when not in use </span></li><li><span class="a-list-item"> Laser-scanned， self-cleaning trackball for extra smooth operation </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31f%2BOLPEMTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/517fuE6IxyL.jpg" noproxy>