3-speed adjustment: This car seat cooler features three adjustable wind speeds and strong wind, which ensures pleasant and cool tailwind even on hot summer rides, making driving easier and more enjoyable. Cool breeze: Provides a cool breeze on your back and the car seat. With this car seat fan, it helps to circulate the wind in the driver's seat, providing cooling on our backs, relieve tension while driving and avoid sweating our clothes. Elegant exterior: The design of this integrated wind opening is small and filigree and does not curl your long hair and do not harm your skin, making it safer than other conventional fans. You can easily enjoy the cool breeze it brings you. USB powered: The USB cable is long enough to fit where you want to keep people cool in the front seat. You can power the fan via USB interfaces such as car chargers and power banks, which also saves energy and costs. Wide applications: The portable car rear seat fan uses a universal belt installation method, which can be easily attached under the headrest of the seat, and can support trucks, off-road vehicles, SUVs, RVs, small buses and other automobiles. Material ABS, External dimensions: 175x75x34mm Input voltage: 5V Input current: 2A Three speed regulation; Velcro fixation Packaging includes: Product x1, 1.5 meter type-c charging cable x1, instruction manual x1