Unlike Mazao, Zhu Shi was a person living in modern society and naturally had a certain degree of understanding of modern technological gadgets.
Of course, that didn't mean that knowing about modern technology necessarily implied recognizing a GPS bracelet; one might mistake it for a regular smart sports bracelet. But since Zhu Shi specifically asked in that tone, it most likely meant that she had recognized it.
Now I truly understood the feelings of those villains in stories who were one step away from having their conspiracies exposed by the protagonist, yet could do nothing but watch helplessly.
"Are you talking about this? This is a gift from Zhuang Cheng."
Mazao touched the red GPS bracelet on her left wrist, and it seemed like she recalled the emotion she felt when she received the gift; her tense eyes softened for a moment.