Olympus VN-3100PC - Digital voice recorder - flash 128 MB Transfer audio files quickly and easily to a computer with the convenient PC link. Large LCD for easy, quick viewing of file locations, recording status and battery life. Slow and Fast Playback modes let you listen to audio 25 percent slower or 50 percent faster than real time. Record up to 71 hours and 40 minutes of uninterrupted audio in LP mode. Four folders and each folder stores up to 100 files.