Instant cooling solution: Quickly reduce the temperature in your car and provide a comfortable experience for backseat passengers and pets. The infinitely variable speed control continuously adjusts the fan speed to compensate for the lack of air conditioning in your car, so your loved ones experience optimal comfort. Improve car air circulation: Effectively eliminate odors and keep the air in your car fresh. This fan cools quickly in hot weather and prevents moisture build-up on the windshield on cold and rainy days, effectively improving ventilation and air circulation. No batteries required, quiet operation: This car fan works without batteries, so you don't have to worry about the battery overheating on hot summer days. In addition, the powerful yet quiet motor ensures a noiseless experience. Three adjustable wind speeds make it easy to adapt to different environments and temperature changes. 360 rotation for optimal cooling effect: The efficient, 360 rotating car cooling fan effectively dissipates heat and fully cools your car. Keep your car cool all summer long. It comes with a sturdy headrest bracket and a secure locking knob that securely attaches to the back of your car seat for optimal stability and reliability. Universal Compatibility: Multiple power options. This car cooler works with a power bank, adapter, portable USB charger, or car cigarette lighter. It is compatible with all models including SUVs, sedans, vans, trucks, RVs, ATVs, and boats. Product Specifications Color: Black Material: Plastic Dimensions: 11.3*10.5*10.5cm Product Package: Including one electric fan