HifiMan Electronics Edition S Open/Closed Back On-Ear Dynamic Headphones (Black)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Enter Edition S， an on-ear model worthy of the HIFMAN name. In the company's long-established tradition of creating remarkable performance， Edition S establishes a new benchmark for the others to follow.</li><li>High Performance - With a sensitivity rating of 113dB and impedance of 18 ohms， Edition S can be driven by most portable audio devices and sound simply great doing it!</li><li>Open/Closed back design - HIFIMAN gives you the best of both worlds with an on-ear headphone that can go from one more to the other simply by adding or removing the logo cap on the ear cup.</li><li>Portable and Foldable - Only 8.74 ounces， Edition S can be easily folded and stored in its supplied travel case. Ideal for music lovers on the go.</li><li>Asymmetrical ear cups are designed to contour to the shape of the human ear for comfortable listening for extended periods.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Qt91yMbTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412KjDZ7tHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DbhYGeeoL.jpg" noproxy>