Please Note: If the fan will not turn on when you receive it, please troubleshoot the problem first. Upon receipt, first check the fan blades, wires, buttons, etc. for damage. After confirming that there is no damage, please check if the car charger is 5V USB, if not, please use the attached car charger in the package together. Finally, if you still can't open it, please contact us through Amazon for help. | [ USB Car Seat Fan Comes with Car Charger*1 ] -- The car fan for back seat is designed with 5V USB power supply, which is easy to use and energy efficient. This car fan operates via a USB cord and is compatible with various power sources such as PCs, laptops, power banks, AC adapters, car chargers. We'll also throw in a car charger. Our car seat fan for baby rear facing features dual rotating fan heads that provide powerful airflow on hot summer days. The car seat fan will keep your car cool and comfortable. | [ Foldable Arm and 360°Adjustable ] -- The clip is made of high quality plastic and holds the car cooling fan securely to the rear seat headrest. The foldable clip arm saves space when the fan for backseat car is not in use and is easy to install and remove, with adjustable looseness to fit the seat headrest bar. With a 120°rotation for the fan head and 360°adjustability for the car fans for backseat for kids base, easily adjust the fan angle to cool both front and back seats, ensuring a comfortable environment for baby or pet in rear seat. | [ 3 Speeds and Separate Control ] -- The car seat fan for baby rear facing has 3 speed controls, so whether it's a cool breeze or a strong chill, you can adjust it to your heart's content. Both fans are controlled independently by two buttons, you can freely choose which side of the fan to turn on, when you and your family are on the road, the car fan for backseat kids will keep your car cool and comfortable without quickly draining your car's energy. | [ High-quality Made ] -- This car fan for back seat adopts a professional high-performance brushless motor, which produces minimal noise while providing powerful winds, stable operation, it will not disturb your child's sleep. The blades of our USB fan for car seat baby is made by durable ABS material. Plus, the net cover of our car seat fan for baby rear facing is designed with safety in mind, you do not need to worry about hurting fingers anymore. | [ Widely Compatible and Lifetime Technical Support ] -- The base of our car fans for backseat for kids is a lock shape and has 3 diameters, it can fit round rods within 0.65". This feature makes this USB car fan for backseat kids fit most vehicles in the market such as cars, SUVs, vans, pickup trucks, off-road vehicles and more, we are confident that our car seat fan will meet your needs. Nauttxon offer you a lifetime technical support. If any problem, plase tell us through Amazon.