"Retro Collection" Boom Box with AM/FM/ SW-1 - SW2 4-Band Radio and Cassette to MP3 Converter. For those of you with cassettes your best chance to get the songs on your iPod is through a cassette to MP3 converter. This Portable Cassette Boom box lets you take your favorite cassettes and preserve them in digital format. Once the files are on your USB or SD CARD you can burn them to a disc or add them to the playlist on your MP3 player/ computer. USB/ SD/ MP3 Player Built-in Speakers 3-Band EQ Stereo Earphone jack 3.5mm AC Power 120-220 VAC 50/60 Hz DC Power via(4) D Batteries Wood finish.