Plug and play low-speed fanHigh, medium and low speed adjustments with switch for multiple scenarios. Plug and play, no assembly required. USB FanEnjoy quiet and cooling at the same time, Suitable for cooling the heat of Router, TV box, Receiver, DVR, Modem, Xbox series x, Playstation, Microcomputer, Survelllance recorder, Netgear and other Audio Video electronics. Ultra Quiet FanRubber feet & silent pad, Anti-slip and shock absorption to reduce noise and extend the life of electronic equipment. Providing stability for the fan when placed flat or upright. Mini box fan 120 x 120 x 25mm4.7x4.7x1 in Rated Voltage:5V 0.2A Speed: 1500RPM Air flow: 56.7CFM Noise:23dBA Connecter: USB Cable Length: 21 inches Bearing type: Sleeve Warranty & Technical supportOne-year quality assurance. please feel free to Communicate with us If the product has any quality problems, it will be refunded within 90 days or replaced wi