- Adjustable Airflow Control: Customize your cooling experience with the USB speed controller, allowing you to tailor the airflow to your preferences for optimal comfort. - Voltage Range: This device operates within a DC input voltage range of 4 to 12 volts, offering adjustable output power between 5 and 7.5 volts, making it ideal for various USB-powered fans. - Universal Compatibility: Perfect for both casual and professional settings, this speed controller enhances ventilation for laptops, desktops, and other portable devices, ensuring effective cooling. - Enhanced Workplace Comfort: Easily manage airflow to create a pleasant environment while using electronic devices at home or in the office. Use Scenarios: 1. Ideal for office workers who need to keep their laptops cool during long hours of use. 2. Perfect for gamers looking to optimize airflow for their desktop setups. 3. Great for anyone using portable devices in warm environments, ensuring comfort and preventing overheating. Experience tailored cooling with our product, designed for versatility and efficiency in various applications.