1. Material: aluminum alloy, plastic
2. Applicable size: 14-18 inch laptop
3. Fan speed: 4500/min
4. Number of fans: 2
5. Voltage: (USB) DC 5V
6. Product size: 41.5 x 35 x 5 cm
7. Weight: 1.28 kg
8. Dual USB power supply mode, not occupying the notebook interface
9. Multi-speed wind adjustment to meet different needs
10. Seven levels of height adjustment, lighting can be adjusted