GBA software Ruby 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.
Please note that if you cannot save, you may not be able to use the watch function.
A new world of Pocket Monsters starting with GBA! The essence of Pocket Monsters's fun of "gathering," "growing," and "exchanging" remains as it is, and there are various devices such as new abilities, battle events, and so on! Let's venture with new friends!
* Game boy advance (GAME BOY ADVANCE) software