Sennheiser SET840 -TV RF Stereo TV Assistive Listening Headphones System<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Neodymium magnets &amp; Duofol? diaphragms for audiophile-grade sound reproduction </span></li><li><span class="a-list-item"> Integrated volume control for enhanced usability &amp; convenience </span></li><li><span class="a-list-item"> Collapsible design with metal-reinforced headband ensures portability &amp; durability </span></li><li><span class="a-list-item"> Operates for about 50 hours with BA-300 rechargeable battery </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41g5RkYHdAL.jpg" noproxy>