The games support the Game Boy Advance Game Link Cable, through which connected players may trade or battle. Players may also connect with "Pokémon Ruby" and "Sapphire", as well as with "Pokémon Colosseum", allowing them to obtain over 350 Pokémon. "FireRed" and "LeafGreen" also have the ability to connect to the GameCube and interact with "". In "Pokémon Box", the player may organize and view their collected Pokémon, and in "Colosseum", Pokémon may be used in battle. "FireRed" and "LeafGreen" are also the first games in the series to be compatible with the Game Boy Advance Wireless Adapter, which comes prepackaged with the games. The adapter can be plugged into the link port of the Game Boy Advance system and allows players within a radius of to wirelessly interact with each other. In addition, as many as 30 players at a time may join a special location called the "Union Room", where they can trade, battle, or chat. Nintendo set up "JoySpots" at Japanese retail locations for this purpose.