USB fan speed adjuster - Function: Provides tailored cooling by boosting airflow from your USB fan, helping prevent overheating and keeping devices performing at their best. - Compatibility: Supports 5V 3A, compatible with a wide range of USB fans including desk fans, laptop coolers, and 5V blowers. - Use and operation: Simple to use USB fan speed regulator that helps keep electronic devices cool and running reliably. - Practicality: A practical accessory for anyone using USB cooling solutions; easy to connect and adjust. - Use scenarios: - When gaming or doing heavy tasks on a laptop, connect a USB cooling pad and adjust the fan speed for effective cooling. - At a desk, use with a USB desk fan to regulate airflow for comfortable working conditions. - For compact devices using 5V blowers (such as small cooling fans for SBCs or network gear), use to maintain safe temperatures.