Opposite its sleek, liquorice-black front, the Nokia 7900 Prism comes with an anodized aluminium backcover, which is coin-stamped and laser-etched in Nokia Prism's signature diamond-cut design. Its design is amongst the first to feature an Organic LED main display that supports up to 16 million colors and displays light-focused screensaver graphics. In addition, the Nokia 7900 Prism features a "living wallpaper", which subtly changes throughout the day according to time as well as battery and signal strength, so that each screen is unique. The Nokia 7900 Prism features dual band 3G technology for fast and easy downloads and browsing, and quad band GSM capability for worldwide connectivity. In addition to a 2 Mpx camera, the Nokia 7900 Prism comes with 1GB of internal memory for lots of pictures, video, contacts and more.