The pocket-sized Juice Box has a high-resolution full-color 3-inch LCD screen. One sample cartridge is included, with content from Cartoon Network and Vans Triple Crown. It also plays downloaded music from MP3 files and displays digital photos, with the help of an MP3 Starter Kit (sold separately). Juice Box also features a built-in speaker and a headphone jack. It's 4” x 5” x 1.5" and requires 3 “AA” alkaline batteries, not included.