Zoom H2n Handy Handheld Digital Multitrack Recorder Bundle with APH-2n Accessory Pack 5 MICS: The Zoom H2N has five built-in microphones and four recording modes: Mid-Side (MS) stereo, 90 X/Y stereo, and both 2-channel and 4-channel surround FEATURES: The H2n can record audio in two different basic file types: WAV and MP3 and thanks to its data recovery function you wont looks recorded data due to battery loss. POWER: Runs on only 2 standard AA alkaline or NiMH rechargeable batteries, or AC adapter (AD-17, USB to AC type). Batteries can last or up to 20hrs of continous play. SOFTWARE:The Zoom H2n comes with free download licenses for Steinberg's Cubase LE music production software and WaveLab LE audio editing software.