Koss KEB30K Ear Bud Headphones， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> In ear design fits snugly for active lifestyle </span></li><li><span class="a-list-item"> In line volume control on 4' cord with a 3.5mm plug </span></li><li><span class="a-list-item"> Includes 3 sizes of silicone ear cushions for customized fit </span></li><li><span class="a-list-item"> Frequency response 15-20，000HZ， 109db SPL sensitivity </span></li><li><span class="a-list-item"> available in Black， silver， or white </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31IjUu50UTL.jpg" noproxy>