Features: Experience efficient cooling with our USB-powered, temperature-controlled fan, featuring three adjustable speeds and an 8cm design, ideal for maintaining optimal cooling of your electronics. This fan includes automatic temperature sensing, activating at preset thresholds to ensure your devices such as routers and gaming consoles stay cool without manual intervention. Designed for users seeking a reliable cooling solution for electronic devices including computers, routers, and game consoles. Ideal for use in home offices, entertainment centers, or any setup where electronic devices are prone to overheating, helping to ensure prolonged device performance. With a powerful airflow of 44 CFM and convenient USB 5V power input, this fan provides automatic on/off functionality based on surrounding temperature. Specifications: Airflow: 44 CFM Power Input: USB 5V 1A Features: Three adjustable speeds Fan Size: Approximately 8 x 8 x 2.5 cm (3.15 x 3.15 x 0.98 in) Material: Plastic Temperature Control: Starts at 40°C / Shuts off at 30°C Package Includes: 1 x USB Cooling Fan Note: Please allow 1–2 cm differences due to manual measurement. Colors may vary slightly due to different monitor displays.