REMOVU RM-M1+A1 wireless Microphone and Receiver for GoPro HERO4， HERO3+ &amp; HERO3<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"> Microphone that allows GoPro users to add high quality sound to video from distance. </span></li><li><span class="a-list-item"> Maximum distance is about 40 Yards depending on environment </span></li><li><span class="a-list-item"> WATERPROOF housing for the microphone is included for enhanced sound recording for any water activity </span></li><li><span class="a-list-item"> Fits perfectly into standard GoPro BacPac housing， thus no additional investment is required if you already have BacPac housing </span></li><li><span class="a-list-item"> Powered by included Lithium battery， and runs more than 6 hours </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZFiE4smSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LjUxI%2B6fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31FXmFGgUWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oqN3O-S0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41h5HhhsAgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZN-TBbkTL.jpg" noproxy>