Young Brother-in-law Is Now My Husband - Chapter 1611: Hurt Lu Lijun

... his eyes when he saw the picture of another man: his robotics teacher.

"What is it, teacher?" a young boy's voice echoed in Lu Lijun's mind.

"Lijun, this is a new device my friend and I are developing. It's a tracker device."

"What is it for?"

"Umm, it has various uses, like tracking someone's whereabouts. For example, a police officer can attach it to a suspect's vehicle to monitor their movements and locations, which could help in investigations. Isn't it a nobl ...