C1202 Sixiangwu

Chen Fei knew that the ring that could emit blue light was some kind of identification device.

There was almost everyone in the city, it was equivalent to the identity chip used by humans on Earth, it could instantly identify them, it was too advanced.

Facing an old man with white hair, Chen Fei only needed to point a finger and he would be able to push him back in an instant.

However