The Game Boy Advance SP is a step up from Nintendo's Game Boy Advance, combining a flip-screen design with a new illumination feature to make this even more portable and stylish than the original. The 2.9-inch front-lit screen clearly displays the action in any lighting condition, while the rechargeable lithium-ion battery is good for up to 10 hours of game play with the lights on and 18 with them turned off. The Game Boy Advance SP's sleek style makes it easy to carry around, and its backwards compatibility means that you can revisit any of your favorite Game Boy games as you would like.