size:305*250*15mm Fan size:60*60*10mm Fan speed(adjustable):2000RPM+/-10% Power:0.9W+/-10%... Material: Aluminum

Product size:328*270*32mm

Fan size:70*70*15mm

Fan speed:2000RPM±10%

Max air flow:28CFM

Noise:25dBA(Min)

Current Rated:0.23A±10%

Ralated Voltage:5VDC Power:0.9W±10%

Product weight:0.8Kg

1.Material: aluminum alloy material;

2.Fan:two fan;

3.USB: 4 ports USB HUB;

4.Apply to 15-17 inch Notebook computer.