It supports playback of CD-R/RW, MP3, and WMA files, and includes AUX and USB inputs for playing directly from an audio device. It also has a built-in SD card slot and an iLinkDirect interface for iPod compatibility and control. The MP6512I includes a built-in AM/FM tuner with 30 station presets and is XM satellite radio ready with the use of an additional adapter. It also has electronic shock protection and last position memory for CDs, MP3, and WMA playback. The receiver comes with a remote control for easy operation and has a 1 year limited warranty.