Usage Tips:The slim design of the cooling pad, high-performance and ultra-quiet built-in fans will definitely help dissipate the heat under the notebook computer, thereby reducing the overall temperature of the system The special delicate structure, the cooling pad can bear any weight of the notebook in a balanced way, with the least impact on the use of the notebook. The USB connection can easily support power, plug and play, and easy to use. Foldable design, easy to store when not in use. Easy to carry, reliable and comfortable Compatible with laptops. The sturdy structure can withstand various weights of the computer and help it dissipate heat, and effectively protect the books from being scratched. size:17x6.5x2.2CM Material:plastic colour:Black Package Contents: 1 * cooling rack 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.