Sima MZM-1 Mini Zoom Camcorder Microphone Super-compact Mighty Mic(tm) Zooms In To Pinpoint Audio Sources Picks Up Conversations, Speeches, Nature Sounds &amp; More Stylish, High-quality Design Sound-isolating Rubber Shoe Mount Minimizes Camera Noise Normal &amp; Zoom Modes 2 settings Normal and Zoom powers on one "AAA" battery (not included) Sound isolating rubber shoe mount minimizes camera noise up to 300 hours of battery life