FAST HEAT DISSPATION:The laptop stand can raise the height of the laptop without blocking the air outlet, it increases air circulation to prevent the laptop from overheating TWO ANGLE ADJUSTABLE: The keyboard riser can adjust with different angle, suitable for different heights of requirements, protect your neck and shoulders from pain ZINC ALLOY MATERIAL: The laptop stand is made of zinc alloy, which is strong enough to support the weight of the laptop FOLDABLE AND INVISIBLE DESIGN: The foldable laptop stand only have 7 mm (0.28 inches) when folded, easy to put into your notebook bag, portable when going out to office or business trip WIDELY COMPATIBLE：Our laptop stand compatibility with most size of laptops, can adjust the width freely. it can also be widely used for laptop, keyboard, tablet and mobile phone Portable Laptop Stand, Ergonomic 2-Levels Angles Adjustable Computer Stand