The RCA RP3504 Cassette Voice Recorder includes all essential features of the full size cassette recorder. This small size shoebox cassette recorder is compact and is wrapped in a slim package making it easy to carry around. The 3 digit counter of this cassette voice recorder helps in tracking the location on your tape any time. The top mounted controls of this RCA compact cassette recorder will ensure easy use. This RCA RP3504 Cassette Voice Recorder has an external microphone jack for smooth sound recording. This voice recorder comes with retractable carry handle for added convenience. With the automatic shutoff feature, this cassette recorder will stop once the tape is fully played.