Height Adjustment 5.6’’-8.6’’(143-220mm): the laptop stand is made of sturdy aluminum, you could adjust the height with included manual screwn based on your request. Keep Laptop Cool: the open aluminum design provides good ventilation and airflow to prevent your laptop from overheating. Thanks to the open design, you could also keep your laptop peripherals under the stand, such as keyboard, mouse and other office items. Stable And Protective: This adjustable laptop stand is made of premium Aluminum alloy, it is sturdy, support up to 8.8 lbs, no worry any wobble at all; the rubber on the holder hands sticks tightly, ensure your laptop stable on the stand and prevent any scratches. Ergonomic Design: This LSX6N Laptop Stand could be adjustable in height and angle of your laptop for your better ergonomics to minimize neck fatigue, say goodbye to neck pains. Broad Compatibility: Besign LSX6N Laptop Stand is compatible with all laptops from 10''-15.6'', such as Air 13, Pro 13 / 15 / 2018 / 2017 / 2016, Lenovo ThinkPad, Dell, HP, Chromebook, and other notebooks.