Adjustable Height: This foldable laptop stand adjusts the height and angle of your laptop flexibly raising the height of your laptop from 2 inches to 21 inches to better match sitting and height. It is ergonomically designed to minimize neck fatigue and say goodbye to neck painMore stability: The office computer stand is made of high-quality thickened aluminum and the larger and heavier turntable base can support 22 pounds (10 kg) which is more stable and stronger without worrying about any shaking. Rubber non-slip strips on the stand add friction to protect your laptop from scratches and slippageBroad compatibility: Compatible with MacBook Pro/Air HP Toshiba and all laptops or tablets from 10 to 17.3 inches this laptop is a better choice for home study office or conference room workBetter heat dissipation: The laptop tray adopts an open hollow design which not only enhances the air circulation but also greatly improves the working efficiency of the laptop fan to achieve the best heat dissipation effect so as to solve your concerns about the weakening of the heat dissipation performance caused by using the computer for a long timePlease note: When using the bracket please keep the bracket base and the bracket computer platform at an angle of about 45 degrees to prevent the bracket from falling automaticallyAfter sale: 100% 30 days re-turn 12 months free replacement 365*24 hours email contact service support any questions please feel free to contact me