Portable Aluminum Alloy Folding Adjustable Lifting Tablet Computer Cooling Notebook Stand, Size:S(Gray)

1. Material: aluminum alloy2. Weight: S: 170 g, L: 200 g3. Load-bearing: S: 15 kg, L: 20 kg4. Storage size: S: 21 x 4 x 0.85 cm, L: 25.5 x 4 x 0.85 cm5. Suitable size: S: 11-13.8-inch notebook, L: 14-17.3-inch notebook6. Features: stable and stable, ultra-thin folding, hollow heat dissipation, anti-skid gear, folding gear, multi-size compatible7. Adjusting gears: S: 6 gears, L: 8 gears8. Elevation height: S: 4-12 cm, L: 6-18 cm