Ultimate Ears TripleFi 10 Noise Isolating Earphones (Discontinued by Manufacturer)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Input Sensitivity - 117dB/mW; Impedance - 32 ohms </span></li><li><span class="a-list-item"> Frequency - Response 10 to 17，000 Hz </span></li><li><span class="a-list-item"> High frequencies to a speaker dedicated for treble </span></li><li><span class="a-list-item"> The mid-range frequencies to a speaker for the vocals </span></li><li><span class="a-list-item"> Changeable ear tips provide -26dB of isolation &amp; passive noise cancellation </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41G8LQOS54L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41EpCJ3qNWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41d6%2Bwlj6dL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51q2Xh-kWqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/319R71iYLcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zUnaau4NL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ItMnohUnL.jpg" noproxy>