Invisible heat dissipation is carried in the bag with this laptop stand. It has three heights and three viewing angles to meet your personal vision. The inclined design enhances air flow at the bottom to reduce the temperature of the computer and quickly dissipate heat. Made of zinc alloy and silicone, this product is durable and long-lasting. It is applicable to all laptops and tablets, and comes in a compact size of 53.3*142*3.5mm. The adjustable gears allow for three different heights, and it is available in a quantity of 1pcs or 2pcs.