9CM Router Cooling Fan Rack 5V USB TV Box Notebook Cooling Rack With Foot Pad

Specification Product NameRouter Cooling FanSize9 9 5 5cm 3 5 3 5 2 1inColorBlackType Optioanl A Sleeve Bearing B Double Ball BearingMaterialABSVoltage5VInterfaceUSBLife50000 hoursSpeed2825 5 RPMNoise32DBATemperature range 10 ° 60 °Feature High air flow low noise and long life Dual ball bearings have a lifespan of 67 000 hours and allows the fans to be laid flat or stand upright Compared to sleeve bearings double ball bearings are more suitable for 24 hour maintenance Sleeve bearing bearings require dripping lubricant to maintain the bearings otherwise there will be relatively loud noise after long use double ball bearings maintenance free Designed for projects that requires cooling or ventilation or as a replacement fan for various products Low Speed Has a lower noise and airflow rating than high speed modelsPackage Includes 1 x Router Cooling Fan