1. , small and portable: the diameter of the heightened cooling pad is 41.5mm and the weight is 80g, which is easy to store and carry. 2. Alloy material: the main body of the spiral lift is made of aluminum alloy, the surface is delicate and beautiful in color, adopts the principle of spiral lift, the height can be adjusted at will, and firmly supports the laptop 3. Comfortable angle to relieve fatigue: elevate the notebook to keep you at a suitable angle, convenient for typing and operation, and comfortable to use 4. High-quality silicone, stable and non-: the top silicone pad, place a notebook or without being scratched; the bottom silicone pad prevents the computer from sliding, and supports it firmly 5. Physical heat dissipation, simple and efficient: through the way of padding, the circulation of air at the bottom is enhanced, and the temperature of the computer is reduced to achieve the of heat dissipation Model:ZG40 Type:Notebook cooling base Applicable models:notebook Product weight:0.085 (KG) Colour:Silver Material:aluminum alloy Size:41x41x24mm Package Contents: 2 * bracket pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.