The PMD670 is a rugged and reliable portable recorder specifically designed for applications like recording meetings, voice dictation, high quality sound gathering and everything in between. It includes a built-in microphone (for note-taking or slates), built-in speaker, and professional mic/line inputs and outputs. You can record many hours on a single CF (compact flash) memory card or Microdrive. Transfer audio files into a computer for editing or distribution by simply placing a recorded card into your computer PC card drive or use the built in computer I/O port for a no hassle approach to file transfer. The PMD670 is also fully compatible with Marantz Professional's PMDEdit editing and file management software.