1.Refreshing wind: The USB car fan has a builtin powerful brushless motor, which provides strong wind, accelerates air circulation in the car, and cools you down faster when the air conditioner is weak or unavailable, keeping you and your family fresh and cool. 2.Use in all models: Compared with other 12V and 24V traditional vehicle fans, this USBstandard 5V car circulation fan is more convenient to use. You can easily install it manually without any additional tools. 3.Threespeed adjustable wind speed: The ly upgraded air outlet window fan has stronger wind power. The threespeed fan speed is enough to meet the hot summer, solving the problem of unbearable heat in the car and accelerating air circulation in summer. 4.Adjustable car fan: The rotating head of the car fan is very flexible and you can rotate it 360 degrees at will, which can bring coolness to passengers or pets in every corner of the back seat of the car.