Digital Voice Recorder. 2GB of internal memory for 533 hours of recording, with removable microSD media. Records and plays back in MP3 and WMA and plays back in WAV. Up to 51 hours of battery life, with recharging possible via USB ports on your computer. * Super high quality stereo recording. * Files are PC downloadable for editing, storage and all post-recording management. * The battery can be charged via USB port. * Easy-to-use Olympus Sonority editing software for sound editing, file management and Podcast management, compatible with PCs and MACs. * Podcasts can be automatically downloaded. * PC downloads via USB are conducted with 2.0 high speed capability. * Ultra high quality zoom microphone. * Voice guidance ensures seamless, user-friendly operation of all functions in the menu. * Built-in VCVA (Variable Control Voice Actuator) is a handy hands-free function. * Micro SD card compatible.