Handheld game system challenges your hand-eye coordination as you destroy waves of aliens in Galaga and Galaxian Full-colour 2.75" screen with adjustable screen brightness showcases the game graphics Intuitive user interface makes it easy and comfortable to play Built-in speaker and 3.5mm headphone jack let you experience the authentic game audio with or without headphones Attached lanyard enables effortless transport Requires four AA batteries or a USB-C cable, not included