Silent Cooling Notebook Fan Radiator

Product Name: notebook radiator
Input power: 4.5w
Rated current: 0.9A
Small fan speed: 1500 ± 10% rpm
Large fan speed: 1400 ± 10% rpm
Power supply mode: USB power supply
Fan size: large: 100x20mm small: 70x20mm
Product size: 407x296x38mm
Noise level: 21-23dba