This system also features a built-in CD player with a motorized aluminum door and is compatible with MP3 & WMA files. The AM/FM tuner is perfect for enjoying your favourite radio broadcasts. Connection for iPod — Connect, Control & Charge your iPod. Enjoy your music files via the speakers for greater fun of listeningSources: CD, CD-R/RW, MP3/WMA (CD-R/RW), TunerUSB Hosting — All-digital connection with a digital audio player (for MP3/WMA playback)USB Audio Input for receiving signals from PCsFront AUX Input for easy connection with external devices