Pac-Man Retro Game Keyring: What is it? Everything you love about the classic Pac-Man game, condensed to fit onto a keyring. About the product Designed to be hand-held and easy to play, this retro video game keyring means you can enjoy Pac-Man wherever you are. Featuring the original sounds and classic gameplay, it has an LCD screen, four control buttons, an on/off switch, start/pause switch and volume controls. How is it powered? Use 2 x AAA batteries (not included) to power your trip down memory lane. | Pac-Man Keyring