Go to the Nokia website, that's where I got the below information by doing a
Google search, you can do that also. You can drag&drop music files to the Nokia
via Windows Explorer.
14. Which digital music formats does the Nokia 6230 phone support?
You can enjoy music with high-quality stereo sound in MP3 or AAC format. Download digital music files from a compatible PC via USB, Bluetooth technology or infrared. You can also use AMR, AAC, MP3, and MIDI files to personalize your phone's ringing tone and alarm clock alert.
15. How many songs can be stored on the MMC?
Approximately 10 songs (about 60 minutes of music or more) in AAC format can be stored on a 32 MB MMC.