Shure BRH441M Single-Sided Broadcast Headset<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Closed-back， circumaural design that provides superior isolation from background noise </span></li><li><span class="a-list-item"> Natural， clear vocal reproduction with frequency response optimized for communication in loud environments </span></li><li><span class="a-list-item"> Ergonomic， adjustable headband with premium padding and optimal coupling force for comfortable extended wear </span></li><li><span class="a-list-item"> Flexible boom microphone that pivots 270 degrees for left or right side wear and precise positioning </span></li><li><span class="a-list-item"> Flip-up mute function that deactivates the boom microphone when raised vertically away from the mouth </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31TsqfTDLFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gd75YVJJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xySHwF%2BWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71uI29Z-nNS.png" noproxy>