Record up to 150 hours and 15 minutes in LP mode with 256MB of built-in memory. The ICD-B500 digital voice recorder is perfect for class lectures, business meetings or just capturing your own words. With a large, easy-to-read LCD screen and dedicated, single-function buttons, this voice recorder makes personal recordings simple. An innovative Voice Operated Recording (VOR) mode saves valuable recording time by stopping during pauses in a lecture, and begins again without missing a syllable.