Wathai High Airflow Router Cooling Fan for Computer Cooler TV Small Box DC 5V USB Power 120mm 240mm Fan with Multi Speed Controller

2 IN 1 USB Fan 120mm, 2 fans connect to one USB cable and work at the same time. NOTE: Power input Max 5V/1A, excess may damage the motor. Multi-speed controller to set the fan’s speed to optimal noise and airflow levels. Suare design allows the fans to be laid flat or stand upright. perfect for cooling Receiver / AV cabint / PS4 console / PC / Laptop / TV Box / Projector / Router. Indoor air circulation, plugged it into a wall charger and placed it on the floor vent to bedroom (after removing the lifted feet), No longer having to worry about sweating in bedroom. Small box fan：Whether DIY as a vertical window fan, extra small window fan, register booster fan, or usb computer fan, it offers efficient cooling. 240mm Fan: 245x125x55mm / 9.65in x 4.92in x 2.17in. | Rated Voltage :5V | Airflow: 56 CFM (x2) | Speed: 2000 RPM | Notice : The fan is not waterproof. At the lowest speed setting, the fan blades will not rotate smoothly due to insufficient starting voltage, resulting in a noise that is normal