RCA RP3504 Cassette"Shoebox" Voice Recorder 6 button controls for record, play, pause, fast forward, rewind and stop/eject Top mounted speaker with built-in condensor microphone Automatic level control and end of tape stop Rotary volume control. Features headphone jack and external microphone jack NOTE: If the unit does not function then kindly Change the cassette, check the pin in the top of the cassette (anti record pin)