Features: Experience efficient cooling with our USB powered temperature controlled fan, featuring three adjustable speeds and 8cm design, perfect for maintaining optimal cooling of your electronics. This fan offers automatic temperature sensing, activating at set thresholds to ensure your devices like routers and game consoles stay cool without manual intervention. For those in need of a reliable cooling solution for their electronic devices such as computers, routers, and game consoles. Perfect for use in home offices, entertainment centers, or any setups where electronic devices are prone to overheating, ensuring long use. With a powerful 44CFM airflow and easy USB 5V power input, this fan provides automatic on/off functionality based on ambient temperature. Specifications: Airflow: 44CFM Power Input: USB 5V1A Features: three adjustable speeds Fan Size: approx 8x8x2.5cm/3.15x3.15x0.98in Component: Plastic Type: 40℃ start/ 30℃ start Package Includes: 1Set USB 5V Note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.