2.5 mm headset - Innotalk Voice Tube Binaural Headset with Swiveling Speaker + 2.5mm Headset Jack built in Plantronics Compatible QD<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"> Don't Compare This Professional Headset with General Headsets. All Day Wearing Comfort， Compete with Plantronics and Jabra GN netcom High-Grade Headsets for Call Center， Telemarketing， Customer Representative. Multi Year Warranty， 20 Year Proven Quality in The World. </span></li><li><span class="a-list-item"> Quick Disconnect headset(Cord length 3ft) + 2.5 mm to QD cord (stretched length is 6ft ) fit to a Phone's 2.5mm Pin-Shaped Headset Jack， NOT a Computer/Smartphone (3.5mm). Quick Disconnect is an Essential feature for Professional headset. It allows you to walk away without remove the headset. </span></li><li><span class="a-list-item"> Adjustable and replaceable Transparent voice tube for real sound. </span></li><li><span class="a-list-item"> Omni-directional microphone with Static shock protection and Swiveling speaker </span></li><li><span class="a-list-item"> Flexible rubber Mic boom metal spring for optimal position from the mouse. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51dXhlppRjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41B4DuAXHJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41q-dp9agPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xtxGCgv5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dIF6gA8rL.jpg" noproxy>