The Game Gear is a handheld gaming console developed by Sega and released in 1990. It features a color screen and was designed to compete with other portable systems like the Nintendo Game Boy. The device uses cartridges for games and has a library of titles that includes popular franchises such as Sonic the Hedgehog and Shining Force. The Game Gear is powered by six AA batteries, providing several hours of gameplay. It also has a TV tuner accessory that allows users to watch television on the go. Despite its innovative features, the console struggled with battery life and ultimately was discontinued in 1997.