OLYMPUS Compact Microcassette Recorder 3 LED battery-check. Variable control voice actuator for hands-free recording. Tape counter. Dual tape speeds give you up to three hours of recording time. External jacks easy connection for earphone, microphone and external power. Cue/Review makes for fast, easy message monitoring. Built-in microphone for recording. Built-in, dynamic speaker. Quick review lets you listen to what has just been recorded.