Sprint Battery Boost (PGU-2300R)<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"> Micro SD card slot (built into the USB connector) </span></li><li><span class="a-list-item"> Micro USB connector for giving a "boost" charge micro USB devices </span></li><li><span class="a-list-item"> Built-in carabineer clip </span></li><li><span class="a-list-item"> Power button and internal battery status indicator </span></li><li><span class="a-list-item"> 600mAh battery </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wvmfGFHoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nXNO0J%2BJL.jpg" noproxy>