?Heat dissipation?: With the hole on the top that increase air flow going toward your laptop, enable the heat to vent and keep the computer from overheating. Your laptop will also keep cool on the stand. ?Durable & Reliable?: The laptop computer stand is made of premium aluminum alloy, it weighs 1.45kg (3.2lbs), supports up to 8kg (17.6lbs) weight on top. When you put the stand in its tallest position, it could raise your laptop 11” at the back and 6.69” in the front from the desktop, with rubber pads on the top surface and front lip to hold your laptop stable in place. ?Ergonomic Design?: Adjustable height& angle for typing, watching and sitting properly while supporting your back and neck with a comfortable posture.( Note: Not all the heights and angles are stable enough while typing on laptop keyboard, you may feel the stand is wobbling while you are typing on laptop keyboard at some certain height levels. We strongly recommend to use this stand with an external Bluetooth keyboard and mouse.). ?Sit to Stand Convertor?: This laptop stand can raise your laptop screen height flexibly from 2.1" to 13.8", which ensures you a comfortable position no matter sitting down or standing up, bringing the laptop screen up to eye-level, improves your body posture and helps to relieve neck, back pain and eye strain. ?Wide Compatibility?: This laptop stand is compatible with all laptops models and sizes from 10-17 inches, such as MacBook, MacBook Air, Macbook Pro, Microsoft Surface, Google Pixelbook, Dell XPS, HP, ASUS, Lenovo, Acer, Chromebook, Alienware and more.