A variety of angles to heighten the notebook, increase the bottom heat dissipation space, you can use short feet long feet alone, easy to use.
There are two ways to use it. One is to attach the suction cup surface to the bottom of the computer and press firmly. The other is to lift off the small cover at the bottom of the foot pad, and firmly press the round hole surface to attach it to the bottom of the notebook.
You can use two large pads or two small pads at the same time, or four foot pads at the same time.