With 512 MB of built-in memory, the Sony ICDB600 Digital Voice Recorder captures up to 300 hours of audio. An ideal device to record class lectures, business meetings, interviews, and even your own memos, the ICDB600 features simple function buttons on the front for easy operation. Features include selectable microphone sensitivity for adjusting the recording levels to your specific needs, three recording modes (LP, SP, and HQ) and four message folders for organizing your messages (up to ...