Two ways to use 1. Uncover the small cover at the bottom of the foot pad, and attach the round hole surface to the bottom of the notebook. 2. Attach the suction cup surface to the bottom of the computer and press it firmly Elevating the notebook computer is conducive to heat dissipation. The operating surface of the notebook computer keyboard has an inclination angle to relieve wrist fatigue. Increase the heat dissipation space at the bottom of the notebook