This pocket-sized keyring features the full classic 8-bit game, complete with official gameplay and original sounds, all on a compact black-and-white 2.5" square screen. At just 3.75" tall, this mini arcade game is perfect for gaming on the go and easily attaches to your keys or bag. A great gift for PAC-MAN fans, this portable game runs on 2 AAA batteries (not included), making it a fun and functional retro collectible.