1. Material: aluminum alloy, plastic 2. Air volume: 74.35CFM 3. Fan speed: 1200±10%RPM 4. Noise: 21 DBA 5. Voltage: (USB) DC 5V 6. Product size: 36 x 26 x 3cm 7. Fan size: 14 x 14 x 1.5 cm (2 pcs) 8. Weight: 1.111 kg 9. Adopt VAD vertical turbulence design to optimize the air intake 10. Use 0.5mm thick aluminum panel, turbo dual fan, higher heat dissipation performance 11. The air volume can be adjusted, and the heat dissipation is stronger 12. Thick non-slip silicone to prevent the notebook from slipping off 13. Thickened panel, strong heat dissipation, sturdy and durable