Nillkin ProDesk Adjustable Laptop Stand When working for a long time, people's cervical spine and lumbar vertebrae are prone to fatigue, which is caused by unhealthy sitting posture. Optimized for comfort viewing and sitting posture. Helps relieve cervical vertebra pressure. ProDesk stand with adjustable height and angle. Easy to keep the line of your sight at the same level as the screen. The surface of the aluminum alloy is sprayed with fine sand anodizing process. Excellent damping adjustment, stable and not easy to loose. Non-slip silicone design.