Ideal for recording lectures and presentations, Sonys M-200MC MIC N Micro Cassette Recorder is packed with features that make recording easy. Voice Operated Recording activates the recorder when audible sound is present as the Built-in Zoom MIC extends and retracts to provide better recording when subjects are near or far away. Utilize Record Mode Selection (Lecture / Meeting / Dictation) to select the best pickup sensitivity to meet your needs. The M-200MC -- perfectly professional.