USB Adjustable Temperature-Controlled Cooling Fan, 10 speeds, 0~60, 4/6 inch

10-Speed Control: Select from 10 distinct airflow levels to match your exact cooling needs-gentle circulation for , steady flow for desktop electronics, or strong ventilation for server enclosures.
Smart Temperature Regulation: Automatically responds to ambient conditions between 0°C and 60°C, maintaining consistent thermal management without manual input-perfect for sensitive equipment or temperature-critical environments.
Ultra-Quiet 120mm Operation: Engineered for near-silent performance at just 16dB, enabling uninterrupted focus in home offices, study nooks, recording spaces, or nighttime use.
Flexible Dual-Voltage Power: Seamlessly switch between 5V USB (laptops, power banks) and 12V DC (greenhouses, workshops, industrial racks) for reliable operation diverse setups.
Robust IPX5-Rated Build: Features protective iron grilles and a waterproof motor rated IPX5, supporting LONGLASTING performance in humid, dusty, or variable-condition spaces-always refer to the manufacturer's SIZE CHART before ordering.