5V USB Powered 125mm Router Cooling Fan With On‑Off / Speed Switch For Modem NAS Set‑Top Box Device Heat Dissipation Fan

ExplanationSupports a 5V USB interface, which can be connected to a portable power bank, USB adapter or computer USB port.Available in three versions: standard USB type, model with a switch, and model with a multi-speed control switch.Fan speed of the standard/switch model: 1500 RPMFan speed of the adjustable model: 1400 - 1600 RPM.Includes a double-sided mesh grille and shock-absorbing rubber feet, ensuring stable and quiet operation.Widely used for cooling routers, modems, NAS, TV boxes, hard drive boxes and other small devices.Note: Only 5V input is supported. Please do not use a power supply with a higher voltage.