This is the Tiny Arcade Atari 2600: a desktop console with 10 classic games for you to play (Asteroids, Breakout, Centipede, Combat, Millipede, Missile Command, Pong Tempest, Warloads, and PacMan). It has a full color 1.5-inch TV inspired by those from the 70s. It also ships with a fully functioning joystick.
This Tiny Arcade measures 3 x 3 x 2.75 inches. You can find out more about it here.