page_title: Game Boy
section_title: Hardware
hierarchical_section_title: Game Boy / Hardware
caption_attribution_description: English: A blanked-out cartridge for the Nintendo Game Boy handheld console.
context_page_description: The Game Boy is an 8-bit handheld game console developed and manufactured by Nintendo. The first handheld in the Game Boy family, it was first released in Japan on April 21, 1989, then North America, three months later, and lastly in Europe, over a year later. It was designed by the same team that developed the Game & Watch series of handheld electronic games and several Nintendo Entertainment System games: Satoru Okada, Gunpei Yokoi, and Nintendo Research & Development 1.
  Nintendo's second handheld game console, the Game Boy, combines features from both the NES home system and Game & Watch hardware. The console features a dull green dot-matrix screen with adjustable contrast dial, five control buttons, a single speaker with adjustable volume dial, and, like its rivals, uses cartridges as physical media for games. The color scheme is made from two tones of grey with accents of black, blue, and dark magenta. All the corners of the portrait-oriented rectangular unit are softly rounded, save for the bottom right, which is curved. At launch, it was sold either as a standalone unit, or bundled with one of several games, namely Super Mario Land or Tetris.
context_section_description: The Game Boy has four operation buttons labeled "A", "B", "SELECT", and "START", as well as a directional pad (d-pad). There is a volume control dial on the right side of the device and a similar dial on the left side to adjust the contrast. At the top of the Game Boy, a sliding on-off switch and the slot for the Game Boy cartridges are located. The on-off switch includes a physical lockout to prevent users from either inserting or removing a cartridge while the unit is switched on. Nintendo recommends users leave a cartridge in the slot to prevent dust and dirt from entering the system.
  The Game Boy also contains optional input and/or output connectors. On the left side of the system is an external 3.5 mm × 1.35 mm DC power supply jack that allows users to use an external rechargeable battery pack or AC adapter (sold separately) instead of four AA batteries. The Game Boy requires 6 V DC of at least 150 mA. A 3.5 mm stereo headphone jack is located on the bottom side of the unit which allows users to listen to the audio with the bundled headphones or external speakers.
  The right-side of the device offers a port which allows a user to connect to another Game Boy system via a link cable, provided both users are playing games that support connecting to each other (most often, only copies of the same game, although for example the Pokémon games can connect between different generations). The port can also be used to connect a Game Boy Printer. The link cable was originally designed for players to play head-to-head two-player games such as in Tetris. However, game developer Satoshi Tajiri later used the link cable technology as a method of communication and networking in the popular Pokémon video game series.
caption: The standard gray cartridge for the original Game Boy games, although other colors and shapes exist
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