Yellow Game Boy Pocket, with AC adapter, is considered to be in relatively good condition. Operation has been confirmed. Volume and contrast adjustments are also working fine. The battery compartment is also clean. Comes with an AC adapter specifically for the Game Boy series, which can be used with the Game Boy Pocket, Game Boy Light, and Game Boy Color. The game cartridge used for testing is not included, so please be aware of this. Please check the images and consider purchasing.