I purchased this six months ago and used it a few times. I am selling it because I no longer use it. It was working without any problems. I think it's in good condition, but please refrain from purchasing if you are sensitive to used items. ■ For Game Boy series only This is a communication cable. It can be used for communication battles and exchanges for Game Boy and Game Boy Color software. 【Compatible Software】 ⭕ Game Boy software ⭕ Game Boy Color software 【Compatible Pokémon】 ⭕ Red/Green/Blue/Yellow ⭕ Gold/Silver/Crystal 【Compatible Hardware】 ⭕ Game Boy Pocket ⭕ Game Boy Color ⭕ Game Boy Light ⭕ Game Boy Advance ⭕ Game Boy Advance SP ⭕ Game Boy Player ⭕ Super Game Boy 2 ※ Please note that communication for GBA software is not possible. ※ It is possible to communicate Game Boy and Game Boy Color software on GBA consoles and SP, etc.