CALLANY VH510 Lightweight Corded Office Phone Headset (monaural， telephone plug)<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"> Universally compatible: works with most office phones and accessories. </span></li><li><span class="a-list-item"> Lightweight， adjustable headband offers comfort during extended use. </span></li><li><span class="a-list-item"> Crystal clear HD voice and HIFI sound for music and talk. </span></li><li><span class="a-list-item"> 330 degree boom arm for easy adjustment without breaking. </span></li><li><span class="a-list-item"> Perfect for call centers， customer service centers， and telemarketing companies. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31cRJ32dMRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31w3avyVdCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317vNxS%2BVeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VRMoYZnmL.jpg" noproxy>