Feature:1. Integrated Panel Design: The USB interface cooling fan base features a sturdy integrated structure with a heat dissipation pad, ensuring stable placement and measuring at a compact overall size of 290 x 170 x 45mm, suitable for various network devices.2. High Airflow Design: With 11PCS 140mm fan blades, the design of the router cooling fan holder provides increased airflow to accelerate heat dissipation efficiency, delivering a airflow rate of 65.8CFM and a fan speed of 1,100 RPM.3. Hydraulic Bearing Fans: The 140mm fans are equipped with excellent hydraulic bearings for quiet operating, offering a more silent cooling solution compared to ball bearing fans, very practical.4. Universal USB Compatibility: Easy plug and play operating with support for any USB device, simply connect the router cooling fan bracket to a 5V adapter, power bank, or laptop for cooling wherever needed.5. Wide Application: This quiet computer fan can be used with a variety of electronic devices including computer cases, laptops, audiovisual equipment, wireless routers, AV receivers, projectors, game consoles, and more, providing efficient and silent cooling solutions for all your devices.Specification:Item Type: Router Cooling Fan StandMaterial: ABSSize: Approx. 290 x 170 x 45mm / 11.42 x 6.69 x 1.77inFan Size: Approx. 140 x 140 x 20mm / 5.5 x 5.5 x 0.8inAirflow: 65.8CFMNoise: 18dB(A)Voltage: 5VRPM: 1100RPM10%.Package List:1 x Router Cooling Fan Bracket