?For Most Laptops: Compatible with all the laptops and tablets that size from 11 to 17 inches, such as MacBook Pro/ Air, Microsoft Surface, Google Pixelbook, Acer Chromebook, Lenovo ThinkPad, Dell XPS, ASUS, HP, Acer, etc. Comes with 10 screws and a screwdriver, easy to assemble ?Height & Tilt Adjustment: You can adjust the height of your laptop from 6.1 to 8.2 inches and the tilt from 45 to 90 degrees, relieving the stiffness of your back and neck for watching, typing and sitting, no more hunching over the laptop, creating an ergonomic workspace ?360° Rotation: The rod of the laptop riser connecting with the base swivels 360 degrees, allowing you to rotate the laptop to any angle you want, without the hassle of moving the laptop ?Sturdy Construction: Made of thickened aluminum alloy with a smooth edge which is more stable and durable; The anti-slip rubber pads on the top surface and bottom are attached to keep your laptop in place and protect it from any scratches, also ensuring tight connection with the desk ?Heat Dissipation: The open back design offers the best ventilation and airflow to prevent your laptop from overheating, more conducive to extend the battery life of your computer