Built-in 2 cooling fans dissipate heat away from the bottom of your notebook and cool down the overall temperature of your system

Specifications:
Product Dimension: 320x300x40mm
4 USB 2.0 ports
ON/OFF power switch
Fan Dimension: 70 x 70 x 15 mm
Rated Voltage: 5V DC
Power Current: 0.18 A
Rated Consumption: 0.9 W
Rated Speed: 3500 +/- 10%RPM
Airflow: 30 CFM
Static Pressure: 2.01 mm H2O
Noise Level: < 26 dBA