What is the role of the key stone of ROG gun god 5Plus?

Keystone Keystone can easily personalize your esports computer. Pluggable Keystone is attracted to the exclusive jack on the right side of the keyboard by magnetic force, adding dynamic beauty to your e-sports computer. After inserting it into the fuselage, you can set the lighting effect, sound effect, action after plugging and unplugging, and hidden storage space.