Hey hey people, have a question.

I bought a pre-built PC that came with a Ga II Trinity 360 cooler mounted on top. What does the button on the cooler do?

https://preview.redd.it/i293ggepukpd1.jpg?width=1280&format=pjpg&auto=webp&s=6db0373b1e9c6f114747036ae7441af2bb5c3515