Offers 3 recording formats?? allowing you to record in MP3?? WMA or PCM format.</br>TRESMIC 3 microphone system captures a wide range of stereo sounds.</br>Allows fast file transfers to a compatible computer?? plus lets you charge the battery when connected to select devices.</br>Equipped with voice guidance to help you navigate the device through audible directions.</br>4GB of built-in memory stores up to 1??007 hours of continuous audio for recording dozens of lectures and notes. Features a microSDTM card slot for simple storage expansion.</br></br>Product Description</br></br>CAPTURE PREMIUM SOUNDThe DM-620's new "MIC" 3 microphone system now allows you to capture a wider stereo sound?? making your recordings that much better. The ultra high-quality sound -- along with 4GB of built in memory and microSD card slot -- and three recording formats allow you to record incredible audio.</br><br/>http://www.amazon.com/gp/product/B00LMBHMHAAe??