The RCA S2001 Jet series MP3 player holds up to 1GB of music or about 340 songs. It plays open mp3 and WMA audio files and is compatible with many secure music download and subscription services. The digital FM radio with 20 presets lets you listen to your favorite radio stations. Record while listening to an FM station to mp3 format. Later you can listen to the recorded radio or download to your computer for personal use.