RCA VR5220 512 MB Digital Voice Recorder (Black) 512MB Built-in Flash Memory - Allows you up to 200 hours of recording. Record lectures, seminars, or important day-to-day notes, without the worry of running out of time! Built-in, Flip-out USB - No Cables Needed! Built in USB port allows file download to PC. Once transferred to the PC, listen, share and save with our Digital Voice Management Program. Automatic Voice-Activated Record (AVR) - Allows recorder to sense the sound and start recording automatically. Recording stops when sound stops. Variable Speed Playback - Select from multiple playback speeds so you can listen to your recorded files at your own pace. Intro Scan - Preview message content to quickly find messages.