Electronic Quarterback was a handheld electronic game

Handheld electronic game

----Handheld electronic games are very small, portable devices for playing interactive electronic games, often miniaturized versions of video games. The controls, display and speakers are all part of a single unit. Rather than a general-purpose screen made up of a grid of small pixels, they...

 made by Coleco

Coleco

Coleco is an American company founded in 1932 by Maurice Greenberg as "Connecticut Leather Company". It became a highly successful toy company in the 1980s, known for its mass-produced version of Cabbage Patch Kids dolls and its video game consoles, the Coleco Telstar and...

 in 1978. It was powered by a 9 volt battery or an AC adaptor, and it differentiated itself from the other similar handheld electronic football games of the era, notably Mattel Electronic's version, by having two blockers and giving the quarterback the ability to pass.

Like many electronic games in the late 1970s, it was also released by Sears

Sears, Roebuck and Company

Sears, officially named Sears, Roebuck and Co., is an American chain of department stores which was founded by Richard Warren Sears and Alvah Curtis Roebuck in the late 19th century...

under their own brand and the name Electronic Touchdown.