GB software Kin Pocket Monsters

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

There is no guarantee of the remaining amount of the backup battery of the game software which uses the backup battery.
If you cannot save, you may not be able to use the clock function, etc.
Game Boy software
* The built-in battery of this product is not guaranteed. Please note that you must be aware of this before purchasing.