WDERAIR 120mm Computer Case 5V USB Powered Fan, Small Silent Flat Cooler with Speed Controller for Receiver/Router/Electronic Equipment（2-in-1 Pack）
Product Details

• 【USB Computer Fan】 Suitable for RV fans / PC computer case / servers / Router /household appliances / industrial equipment / medical equipment and small spaces that require ventilation
• 【2-in-1 Controller】Plug and Play, very convenient, can place the fan horizontally or vertically.2 fans can be used separately or connected together for speed control, USB plug can be used to power the fan through the USB port of the electronics
• 【Low Speed-Ultra Quiet】Ideal for environments that require quiet, can be used 24 hours a day without added noise. Maintains air circulation by providing a constant breeze to equipment or confined spaces
• 【Small USB Fan】120 x 120 x 25 mm（4.72 x 4.72 x 0.98 inch）| Bearings: Hydraulic | Rated Voltage:5V 0.2A | Speed: 1500 RPM | Air flow: 56 CFM | Noise: 23 dBA | Power: 1Watt | Connector: USB | Air Pressure:0.08 In H2O
• 【Service & Support】Please feel free to inquire if you have any problems using the product or need technical support.We will respond as soon as possible.