A portable bookshelf system with detachable speakers that plays CDs and cassette tapes Plays CD and CD-R/RW discs Plays and records to cassette tapes AM/FM radio with analog tuning 3.5mm AUX audio input for smartphones, MP3 players, and other audio devices Built-in microphone Power: AC 110/220V or 8 x D batteries (not included) Accessories included: AC power cord