Item Type: Tape to MP3 Converter Material: ABS Function: Tape Playback Range of Application: Magnetic Tape FM Frequency: 76-108MHz Battery: AA x 2 Dry Cell (Not Included) Package List 1 x Tape to MP3 Converter (Battery Not Included) 1 x Headphones 1 x USB Cable 1 x Manual 1TAPE TO MP3 FORMATS: The tape to MP3 converter converts tapes to MP3, quickly converts old tapes to MP3 format, suitable for laptop CD disc carving machine. 2AUTO REVERSE: Portable bluetooth cassette player has an automatic reversing function, you can use the "DIR" button to quickly flip the tape and use the left or right "play mode "button on the left or right side to rewind once or an unlimited number of times. 3COMPATIBLE WITH 3.5 MM AUX JACKS: portable tape to MP3 converter works perfectly with any standard 3.5 mm AUX jack, so you can use the sound port of your headphones, earbuds or car speakers. 4CLEAR SOUND QUALITY: Cassette to MP3 converter can provide crystal clear sound from even the oldest bands by transferring tape to MP3 in a quiet room. 5COMPATIBLE WITH STANDARD HEADPHONES: Portable tape to MP3 converter has a lightweight, compact size that is more than just a recorder and works perfectly as an old fashioned music player with any standard headphones.