Fangrui Product Details Ryra 1/2 Pcs Laptop Stand Universal Mini Desk Stand Invisible Notebook Tablet Mobile Phone Bracket Cooling Pad Laptop Stand Description: Product Parameters: Product Name: Folding Invisible Multifunctional Bracket Adjustable Gear Number: Third Gear Adjustment Applicable Products: Mobile Phones, Tablets, Notebook Computers, Keyboards, Etc Color: Silver/dark Gray Material: Zinc Alloy Silica Gel Product Size: 53.3*14.2 * 3.5mm Product Weight: 13g Specifications: -hidden Notebook Cooling Bracket, Three-speed Adjustable, As Low As 22mm, As High As 40mm -inclined Design, Through The Air Gap To Strengthen The Bottom Air Circulation To Reduce The Computer Temperature, Rapid Heat Dissipation -suitable For A Variety Of Scenarios, Can Be Used For Keyboards, Mobile Phones, Tablets, Laptops, Etc. -the Concave-convex Texture Increases Friction, Thereby Enhancing The Anti-skid Effect -back Paste Has Strong Adhesion, No Marks, Better Adsorption Than Ordinary Double-sided Adhesive Tape, More Careful Material Selection, And No Shaking Package Included: 1×notebook Stand Easy To Clean And Maintain