Mini Foldable Laptop Stand Portable Notebook Support Base Holder Adjustable Riser Cooling Bracket Universal for Laptop Tablet Product Name: Folding Invisible Multifunctional Bracket Adjustable Gear Number: Three-Speed Adjustment Applicable Products: Mobile Phones, Tablets, Notebook Computers, Keyboards, etc. Color: Silver, Dark Gray Material: Zinc Alloy, Silica Gel Product Size: 53.3 x 14.2 x 3.5 mm Product Weight: 13g - Hidden notebook cooling bracket with three-speed adjustable height from 22mm to 40mm - Angled design promotes airflow underneath to enhance bottom air circulation and reduce computer temperature for rapid heat dissipation - Suitable for various devices including keyboards, mobile phones, tablets, and laptops - Textured surface increases friction for improved anti-slip performance - Strong adhesive backing ensures secure attachment without leaving residue; provides better adhesion than standard double-sided tape and remains stable without shaking Package Included: 1 x Notebook Stand