The height and angle can be adjusted freely by pushing and pulling. The adjustable laptop stand lets you find an ideal height of sight no matter sitting or standing, which improves your body posture and helps relieve neck, back pain and eye strain. 100% Aluminum alloy material can absorb and dissipate heat easily. What’s more, the ventilation holes design and adjustable height provide natural airflow space beneath laptop, which helps laptop cooling and prevents laptop from overheating greatly. Supports laptops and tablets from 9 to 15.6 inches -The sturdy computer stand fits varieties of laptops from 10" - 16".