Features: 1.Portable and foldable design, you can carry it at will, and become your good helper. 2.Five?level height adjustment is a good partner for notebook heat dissipation and easy office work. 3.Heat?dissipating hollow bottom and detachable cooling fan provide quiet companionship and double comfort. 4.Wide range of applications, suitable for 11?17 inch laptops and tablets. 5.Non?slip silicone, USB interface, convenient and practical and save time and energy. specification:Condition: 100% Brand New Item Type: Folding Laptop Stand Input Interface USB Interface Material: Plastic+ABS Set: Suitable for 11-17 inch laptops and tablets Function: Foldable laptop lifting bracket and hollow bottom design with detachable cooling fan Features 1. Portable and foldable 2. Five levels of height adjustment 3. Heat dissipation hollow bottom 4. Non-slip silicone 5. WIth removable cooling fan PackageList: 1 x Bracket 1 x Fan 1 x Charging Cable 2 x Plastic Covers 1 x Storage Bag NotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.