Sony MDR-ZX310-BLACK Wired Headphones with Lightweight Adjustable Headband and Swivel Earcups<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Closed-type supra-aural， 30mm driver unit， neodymium magnet， 1.2m cable (both-sided) </span></li><li><span class="a-list-item"> High quality and powerful sound </span></li><li><span class="a-list-item"> Enjoy clear mids and deep bass </span></li><li><span class="a-list-item"> Frequency Response : 10 - 24，000 Hz </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51RY0x5rOeL.jpg" noproxy>