See also:

Notes On Playing MP3 Files
The radio can play MP3 files; however, acceptable MP3 file recording media and formats are limited. When writing MP3 files, pay attention to the following restrictions. ...

Supported MP3 File Formats
The radio will recognize only files with the *.MP3 extension as MP3 files. Non-MP3 files named with the *.MP3 extension may cause playback problems. The radio is designed to recognize the file a ...

Media Center 130 (Sales Code RES)
NOTE: The radio sales code is located on the lower right side of the radio faceplate. Media Center 130 (RES) ...