1. Material: aluminum-plastic alloy+ABS+silica gel 2. Function: 360 degree rotation 3. Supported size: 10-17.3 inches 4. Press-type adjustment to lift and lower, and the height can be adjusted at will. 5. Large disc-type double-axis rotation, stable and non-shaking 6. 30kg efficient load-bearing, double pole support 7. Enlarged alloy base, anti-slip pad, efficient load-bearing 8. Widely compatible, suitable for laptops and tablets