Laptop Cooler USB Laptop Air External Extracting Cooling Fan

Vacuum Notebook Cooling Fan Air External Extracting Fan Cooling Fan PC for Laptop Speed Adjustable for 15 15.6 17 Inch
Main Features:
100% new and hight qualityThe mini USB cooling fan is high speed ,low noisyWith a large range to coolFixed convenientInfinite speed switch can adjust the air volumeSpecification:Product Dimensions: 175x86x52mmFan Size: 75x75x25mmRotational speed: 1500-3000±10%RPMAir flow: 75.35CFMRated Speed: 1350rpm±10%Air flow:109.3CFM±10%Rated Voltage: 5V DCCurrent: 0.4±10%Power cord length:60cmBearing Type: Dual Ball BearingNoise: 15dBA (Min.)Gross Weight: 245gUser Tips:
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.
Common problem:
Q: power supply way? The power cord length?
A: use USB 5 v power supply, wire about 60 cm long.
Q: this product has several silica gels set?
A: in order to meet the requirements of different computers, configuration of four different sizes of silicone sets
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