The RetroN 3 (pronounced either Retro N 3 or simply Retron 3) has three slots where games can be inserted. The Retron 3 is capable of playing Nintendo Entertainment System, Super Nintendo Entertainment System and Sega Genesis games. There is a knob, allowing players to change the game quickly with ease. The console is also compatible with S-Video (with the exception of NES games), most notably with Genesis games. This function allows players to play with more smooth graphics.