Cassette player- play, save & edit your collected tapes with USB,this retro-style music player allows you to return to the old days and relive your good memories past AM/FM radio- enjoy your favorite FM and AM stations when on the go or relaxing at home or outside, it is portable and lightweight with a detachable belt clip Voice recorder- one-touch recording through the built-in microphone and play by built-in speaker, recording the external voice, recording PC audio from/to cassette, or AM/FM radio to PC/cassette Power- powered by USB or 2 AA batteries (not included) More function- it has also auto reverse function with 'DIR' button, once or infinite reverse with 'REVMOOE'button in left or right