Koss KTXPRO1 Titanium Portable Headphones with Volume Control<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Frequency response: 15-25，000 Hz </span></li><li><span class="a-list-item"> Titanium-coated high-polymer titanium diaphragm for accurate sound Reproduction </span></li><li><span class="a-list-item"> Foam ear cushions for open "hear through" sound </span></li><li><span class="a-list-item"> Volume control on cord for easy level adjustment </span></li><li><span class="a-list-item"> Straight， 4 foot， dual entry cord with 3.5 mm plug and 6.3 mm adapter </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xwCnDxyIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/419VL7LWJML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41smTlz0ToL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SiQ0a4R-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y9xW2Yp4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/813Vw4Qwh0S.png" noproxy>