RCA RS2120i 1-Disc CD Changer Bookshelf Audio System (Discontinued by Manufacturer) iPod docking - compatible with all dockable iPod models. Charges iPod while docked. mp3, WMA, CD-R and CD-RW compatible - plays mp3, WMA, CD-R and CD-RW audio discs USB host & CD ripping - Plug in your mp3 player and record/rip from CD or radio directly to the player without a computer, or listen to your music on the player through the audio system 100 Watts total system power - 2 x 50W @8 Ohms, 10% THD, 1kHz. RCA sound solution demo-a built in demo that allows the consumer to listen to CD quality music in a retail environment Digital AM/FM tuner with 32 presets-allows for best possible station tuning and fast channel changing. 32 stations can be stored in memory for quick future access.