章 975: Chapter 856 Family Joy (Please Subscribe!)

Fifteen yuan per square meter.

This price!

My god.

Can't afford it!

Right as Li Feng was stunned,

the fighters had already packed up and were ready to retreat, leaving only two on duty here.

The control of these devices was simple: the computer was just an operation switch, which could activate some small functionalities, such as playing music. The real effect, however, did not come from it but from Little Two in the command room.

Through remote micro-control

they adjusted, simulated, and optimized non-"registered" sounds in real-time.

The two fighters had to watch it round the clock.

Although they weren't afraid of someone taking it apart to crack the technology, they could not just toss it aside like weeds.

There were always people in the world with sticky fingers.

Fortunately, each device had a tracker. Once it moved more than a meter, it would automatically send an alarm signal. There was no fear of it being stolen, but this was not something to be disclosed publicly.