Olmaster Notebook High Air Volume Radiator USB Fan Bracket, Style:Round CF-1691

1. Material: aluminum alloy + environmental engineering plastic2. Size: 65x65x296mm3. Weight: 611g4. Cable length: 1 meter5. Air volume: 34-38cfm6. Speed: 2100-2900prm7. Cooling method: fan8. Applicable size: 12-18 inches9. Rated voltage: DC 5V10. Scope of application: notebooks, tablet computers, mobile phones11. Power interface: USB to DC power supply12. Packing list: product + USB cable + manual