Multi-Speed Control: Adjust the airflow effortlessly to find the perfect balance between cooling efficiency and noise level, ideal for sensitive electronics environments. Dustproof Filter: Keeps your devices free from dust buildup, ensuring optimal performance and longevity. Universal Compatibility: Designed to cool various electronic devices, including routers, modems, DVRs, amplifiers, and more. High Efficiency: Reduces component temperature significantly, prolonging the working life of your devices. Quiet Operation: Even at high speeds, the fan operates quietly, making it suitable for home theater setups and office spaces. Experience unparalleled cooling with our 120mm fan, a versatile solution for keeping your electronics in top condition. With its adjustable speed control and dustproof design, this fan ensures that your devices remain cool and clean.