Product Description Compatible Model Vertical Desk Stand is compatible with iPad Pro, MacBook Air, MacBook Pro, Microsoft Surface, Chromebook, Notebooks, Dell, Samsung, Lenovo, Acer, Sony, Asus, XPS and HP ENVY Series, but not compatible with 17 inch laptop or other larger dimension computer. Adjustable dock size According to the thickness of your computer portable to adjust desktop docking station size from 0.55 to 100mm. 2.87 inches. you can adjust the screw to tighten. the right size. Why choose Houkiper Laptop Support Silicone pad 3 silicone pads to fit inside prevent your laptop from being scratched. and keep it in a stable position Aluminum Alloy The vertical laptop stand is made of a superior aluminum alloy similar to the material of the MacBook. Vertical storage keeps your MacBook upright. safe from accidental splashes of water. Space-saving Hold your laptop up to your vertical, organize your desk to save more space quickly. Book Stand Adjust the width of the stand, the vertical laptop stand can become a book stand in seconds.< br />Specification: Material: Aluminum Alloy, Silicone Color: Silver Adjustable Arrangement: 1.4 -7.3cm / 0.55- 2.87 inch Size: 150 * 96 * 48mm / 5.9 * 3.77 * 1.89 &rdquo; Net weight: 450g / 15.87oz