Sony M-670V Microcassette Voice Recorder Slim, pocket-sized microcassette voice recorder with voice-operated and 1-touch recording Clear Voice Plus recording system enhances voice quality during recording and playback for greater clarity 2-speed recording and playback, 3-digit tape counter Offers a single speaker, a monaural headphone jack, and a built-in microphone Runs for 15 hours on 2 AAA batteries; includes batteries and a blank cassette