Go Video Rave-MP AMP128 128 MB MP3 Player 128 MB of flash memory; holds 2 hours of MP3 and 4 hours of WMA files (CD quality) Expandable to one gigabyte of storage with SD or MMC memory cards FM radio with 20 presets Record voice with built-in microphone or record radio Powered by one AAA alkaline battery for up to 16 hours of playback