PH37 Excellent folding desktop laptop stand, aluminum alloy, angle adjustment 1. Material: aluminum alloy + silica gel. 2. Surface technology: oxidation. 3. Size: folded 250*220*16mm. 4. Weight: 720g. 5. Adjustable angle range: 19-30 degrees, 4 levels. 6. Compatibility: for most laptops. 7. Applicable scenarios: office, online class.