Blue Ella Planar Magnetic Headphones with Built-In Audiophile Amp<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Advanced planar magnetic technology for uncompromising clarity and detail </span></li><li><span class="a-list-item"> Built-in 250mW audiophile amplifier for true high-fidelity sound </span></li><li><span class="a-list-item"> Custom double-sided 50mm x 50mm drivers deliver incredible accuracy </span></li><li><span class="a-list-item"> Revolutionary personalized fit for superior comfort </span></li><li><span class="a-list-item"> Closed-back design for immersive isolation </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41A7qMzQ9JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31l81oTjUoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Kt-CbtJRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xQvm3NlIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WzRMO49-L.jpg" noproxy>