【DUAL-FAN DESIGN FOR MAXIMUM COOLING】: Experience ultimate comfort with our twin car fan heads, each controllable independently via separate buttons. Whether you prefer one fan or both, you can adjust their speeds according to the temperature. Dual fans double the coolness, optimizing air circulation to keep you cool and comfortable even during the hottest drives when the AC is weak or when there is no AC 【CUSTOMIZABLE COOLING WITH 3 FAN SPEEDS】: Tailor your cooling experience with three-speed wind settings—low, medium, and high. This portable car fan is perfect for backseat use, allowing you to adjust the airflow based on your preferences and the weather conditions, ensuring a comfortable ride for both driver and backseat passenger 【VERSATILE USB PLUG COMPATIBILITY】: Powered by 5V/1.