Juice Box MP3 Starter Kit H4448-0910G1 is a Mattel brand CD transport device from 2004. It features a storage capacity of 32MB with MP3 format support. The device comes in a gray color, unopened box, and includes a MultiMedia (MMC) card for memory. It has USB 1.0/1.1 connectivity and audio outputs. The product is part of the Juice Box product line.