The environmentally friendly Chinavasion Solar Powered MP4 Player has a 3.5-inch TFT screen with 1.6 million colors and a built-in Nintendo, Gameboy, and Gameboy Color emulator. It also functions as an E-Book (in English and Chinese) and an LED flashlight. Its two solar panels will not only keep the built-in Li-ion batteries going, but through its USB out can recharge 4.5V, 5V, 6.3V, and 9V devices. With 1GB of storage, you can add to it with an SD card. The Solar Player is available for $123.32, less if you buy in quantity.