AmpliVox Cassette Recorder and 8 Station Jack box Red. The cassette recorder features easy to use buttons a one-touch record button and an automatic voice level control. You can record using the built-in microphone or use the included external microphone with handy desk stand. A headphone jack is included for private listening and for connecting the headphone jack box. The auxiliary line-in jack allows you to also attach your cell phones MP3 or other Digital Audio Players to the unit. The SL1039 operates on four (4) x inCin size batteries (not included) or with the AC adaptor (included) Specifications for AmpliVox Cassette Recorder and 8 Station Jack box: Manufacturer: AmpliVox Color: Red Features of AmpliVox Cassette Recorder and 8 Station Jack box top loading cassette deck six station headphone jack individual volume controls easy to use buttons a one-touch record button automatic voice level control built-in microphone external microphone Input headphone jack auxiliary line-in MP3 operates on four (4) x "C" size batteries or with the AC adaptor Package Contents: AmpliVox Cassette Recorder and 8 Station Jack box Cassette Recorder Six Station Listening Center AmpliVox SL1039: Cassette Recorder and 8 Station Jack box Red