【High Quality Material】: YICOSUN Laptop stands are made of 7000 series aluminum alloy(This kind of material is widely used in aerospace equipment). This material is not only corrosion-resistant, but also has good hardness and wear resistance. Heat can be spread and dissipated more efficiently.【DOUBLE Keep Laptop Cool】: The notebook stand is not only made of appealing high-quality materials, but also equipped with 2 colorful Led cooling fans. It can effectively and quickly cool down your laptop and prolong the life of the laptop.【Stable & Widely Compatible 】3 mm thickness, 44 pounds load-bearing capacity, the notebook stand is stable and not distort(Please make sure to tighten the four screws after determining the height and angle of the stand, and then put the notebook on it). Compatible with 9-16" notebooks and tablets.【Ergonomic Design】You can raise the height of the laptop screen to eye level for better typing, keep your back and neck in a comfortable posture, release your back and neck.And it comes with a silicone pad to protect the laptop from scratches. Product Description Characteristic 1.Our laptop stand , adjust the height to your comfort level, so that you could feel some relief from back/shoulder/neck/arm pain caused by inappropriate postures. 2. 9 to 15.6 inch laptops can also be used as tablet computers and mobile phone racks 3. This laptop stand is made of aluminum alloy, sturdy and could support laptop that up to 44 lbs (20 kg). Non sticky and high quality aluminum allow easy clean and rust-proof function. 4. The anti-slip rubber pad on the laptop stand could keep them from sliding away and help them to stay still. With cooling fan, heat dissipation will be speed up. 5.Only weighted 654g (1.4 lbs) , could be folded to size of 9.8"*8.6"*1.0",pretty small, easy to carry with provided pouch. Product parameters and packaging Produte Size:249*220*27mm Product Weight: 1.4lb / 654g Speed of Fans: 2700±10%RPM Rated Voltage: 5V DC, please DO NOT use AC Noise level: