MicW i436 Calibrated Measurement Type 2 External Mini Microphone for iPad， iPhone， and iPod Touch<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"> Meets EC61672 Class 2 Sound Level Meter standard. </span></li><li><span class="a-list-item"> Flat frequency response. Omni-directional. </span></li><li><span class="a-list-item"> Plug and play </span></li><li><span class="a-list-item"> Each microphone individually factory calibration included. </span></li><li><span class="a-list-item"> Compact: approx. 1/4 inch dia by 2 inches overall length. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ST4fEK8KL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31m5IO35RUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31-IyAVk9NL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414Fs%2BomjjL.jpg" noproxy>