50mm x 15mm USB Blower Fan 2 Pack 5v Squirrel Cage Blower Fan with Variable Speed for Cooling DIY 3D Printer Costume Welding Helmet Thin Client CPU Modem

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Overview Product Dimensions : 1.97"L x 0.59"W x 1.97"H Brand : AmRunJe Power Connector Type : USB Voltage : 5 Volts Cooling Method : Air Compatible Devices : Laptop Noise Level : 2 5 Decibels Material : Plastic Maximum Rotational Speed : 3500 RPM Air Flow Capacity : 2.9 Cubic Feet Per Minute About this item APPLICATION: Small Blower Fan are suitable for many uses. Perfect for 3D printer chamber, mini receiver, hard drive, vivarium, entertainment center, xbox, RV refrigerators, humidifier, humidor Small Space Vent: This compact and mighty usb cooling fan is super portable. It pulls in air from the side and pushes it out centrally at a 90-degree angle, perfect for tight spots with limited clearance Usb-A Power: Linked by a 2-in-1 USB speed control cable, these usb cooling fan for electronics offer USB interface compatibility for easy use. They can be powered up with a phone charger, computer, router, power bank, and more Variable Speed: The included 2-in-1 USB speed cable offers three settings: high, medium, and low. You can pick the airflow and noise level that suit you, and it remembers your last speed choice, so you don't need to reset it when you power up again SPECIFICATION of Variable Speed Fan: 50 x 50 x 15 mm（1.97x1.97 x 0.59 inch）| Rated Voltage/ Current: 5V 0.12A | Speed: 3500 RPM | Air flow: 2.9 CFM | Noise: 25 dBA | Power:0.5 Watt | Connector: USB-A | Bearings: Sleeve | Air Pressure:0.45 In H2O Show more