• ID Bracelet in the Anime
  • ID Card in the Manga
The ID Card, remembers all the information of its holder. It can be used to track down its holder. They can be used to call people and have many other features. No.6 is the only country to have these devices, that are compulsory to wear.

Anime and Manga differenceEdit

In the anime, the ID is a bracelet which every resident of No.6 has. They can communicate and receive messages through it.