Overview Product Dimensions : 1.97"L x 0.59"W x 1.97"H Brand : GDSTIME Power Connector Type : USB Voltage : 5 Volts (DC) Cooling Method : Air Compatible Devices : Gaming Console, Laptop, Printer Noise Level : 25.7 Decibels Material : Plastic Maximum Rotational Speed : 3500 RPM Air Flow Capacity : 2.91 Cubic Feet Per Minute About this item Widely Used: 50mm usb blower fan popular used in 3D Printers, humidifier, humidor, aromatherapy, small squirrel cage and other small appliances series repair replacement Compact Lightweight Design: Micro 50mm 5015 blower mini usb 5v fans are suitable for DIY cooling and narrow place USB Plug: 5V USB Powered, allow you to power the fan through all standard USB ports; compatible with phone charger, laptop, power bank; Start Voltage: 3.5V Easy to Install: Blower Size: 50mm L x 50mm W x15mm H; Air Intake Size: 32.5mm; Air Outlet Size: 19.5x15mm; Mounting Spacing: 2.24 in 5015 Blower: Rated Voltage: 5V | Bearing:Sleeve | Current:0.12A | Power: 0.5W | Airflow:2.91 CFM | Static Pressure:0.45 In H2O | Speed: 3500RPM | Noise: 25.7 dBA | Lifespan: 35,000 hrs