Coolcold Vacuum Portable Laptop Cooler USB Air Cooler

Specifications: Material: ABS+Metal Dimension:176*86*52mm Fan Speed:1300-3000±10%RPM Voltage:5V DC Current:0.4±10% A Power:2W Max Airflow:21.35CFM Notes:   Begin to use, in order to fast cooling, open to the largest (3000 RPM), temperature drop down, About 15 minutes, transferred to the minimum (1500 RPM) remains constant, so that we can keep in a reasonable working temperature, and can prolong the service life and lower noise.