Digital Blue 651 Disney 512MB Mix Stick Cheetah Girls Flash Mp3 Storage: 256MB internal memory (expandable SD/MMC slot). Holds up to 120/8 hours of WMA music or 60 songs/4 hours of MP3 music. Plays: MP3/WMA, Disney Mix Clips, SD/MMC Cards. Also stores data - great for homework! Battery: 8-hour built-in rechargeable battery Includes: Software CD, Stereo Earbuds, Lanyard w/ Safety Release