100 video games built in. Officially licensed, fully playable Atari® 2600 titles + bonus games. Includes Asteroids®, Centipede®, PONG®, Breakout®, Missile Command®, Warlords® and many more. 2.75" full color screen. Adjustable screen brightness. Built-in, front-facing speaker with volume controls. Powered by either 4 AA batteries (not included) or by a USB-C® cable (not included).