Spongebob Digital Player 512MB 2.3" x 0.7" x 2.3" Supported Formats: MP3, WMA,WMA-DRM (WMA protected files) Holds up to 125* songs at 128kbps for over 8 hours of MP3 music Holds up to 250* songs at 64kbps for over 16 hours of WMA music 512MB flash memory