DESC: A completely redesigned version of the popular Game Boy Advance, this system has a new illumination feature and a sleek, flip-screen design -- making it the most distinctively stylish, compact and portable Game Boy system ever. The rechargeable lithium-ion battery takes just 3 hours to fully recharge, and its good for 10 hours of continuous play with the light on and 18 hours of play with the light turned off. Game Boy Advance SP is backward compatible, allowing you to use virtually all games previously released for the Game Boy® line.