ICD-SX68 512MB Digital Voice Recorder records 185 hours on the 512MB built-in flash memory. Of the five recording modes, Stereo High Quality (STHQ) offers longer recording time with 8 hours, 35 minutes. Other recording times include 22 hours, 50 minutes (ST); 44 hours (STLP); 69 hours, 40 minutes (SP); 185 hours, 55 minutes (LP). Features triple microphone design for high performance recording; adjustable recording level indicator to adjust recording level during recording; Voice Operated Recording (VOR) to stop recording during silent pauses; backlit dot-matrix LCD screen with number of messages recorded, recording length, date, time and battery power remaining and digital voice up to amplify low sound during playback. Easily transfer audio files to a computer for archiving. Playback unsecured MP3 files by dragging and dropping files into the MP3 folder. Recordings can be converted to MP3 or WAV file formats with the included software.