Savi W720 (83544-01) Dect Head<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> One intelligent headset to manage PC， mobile and desk phone calls </span></li><li><span class="a-list-item"> Hot swappable battery for unlimited talk-time (Additional battery sold separately) </span></li><li><span class="a-list-item"> Wireless freedom up to 350-Feet from your desk </span></li><li><span class="a-list-item"> One-touch call answer/end， vol +/-， mute &amp; flash controls across devices </span></li><li><span class="a-list-item"> Noise-cancelling microphone &amp; dual ear pieces help filters out background noise for you and the receiver </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-AaASHbeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41qA%2BLprigL.jpg" noproxy>