Hyperkin Boys Retron Sq: Hd Gaming Console For Game Boy/Color/ Game Boy Advance (Blackgold) - Game Boy Advance

Platform: Game Boy Color, Game Boy, Game Boy Advance Compatible with game boy and game boy Color cartridges via open source software. Compatibility with game boy advance cartridges (beta function) Upscales to 720p 4: 3/16: 9 Aspect Ratio Switch