Old school meets new school with the QFX J-220BT ReRun X AM/FM/Shortwave Cassette Player. Bust out those cassette tapes from high school and 4 D batteries (sold separately) for hours of stripped-down beats and bass-heavy nostalgia on the go! Tapes starting to get that persistent hiss? The ReRun converts your favorite cassette tracks to MP3 on USB or SD Card storage (sold separately), preserving your extensive cassette collection for generations to come.