1. Material: aluminum alloy, plastic
2. Applicable size: Laptops under 18 inches
3. Fan speed: 1900/min
4. Number of fans: 6
5. Voltage: (USB) DC 5V
6. Noise value: 21-23DBA
7. Product size: 36.8 x 27.3 x 2.8 cm
8. Weight: 754 grams
9. Six levels of height adjustment
10. Six-core powerful fan, fast heat dissipation