1.Compatible with CD/CD-R/CD-RW2.Auto stop single cassette recorder 3.AM/FM radio tuning 4. SD/MMC card slot(optional) 5.USB jack(optional) 6.MP3 (optional) 7.3.5mm stereo earphone jack 8.Built-in condenser microphone 9.Remote control(optional) 10.AC 110V/220V DC 12V (UM-1*8) 11.Output:3Wx2