Bladeless Design: This car seat back fan features a bladeless design, which is safer and quieter than traditional fans, making it perfect for car rides with children or pets. USB-Powered: The fan is powered by a USB cable that can be plugged into your car's USB port or any other USB power source, making it convenient and easy to use. Comfortable Air Circulation: The fan provides comfortable air circulation throughout the car, ensuring that everyone in the car can enjoy a cool and refreshing ride. Easy to Install: The fan can be easily attached to the back of your car seat with the provided straps, and it won't take up too much space in your car. Weight: 162g Color: Red, Black, Brown Material: ABS+PC Quantity: 1pcUSB Car seat ventilation back bladeless car fan How to use: Plug in and use Charging cable length: 1.5 meters Input current: 5v/2A Instructions 1: Power on and off: Short press the power button to start the machine, and the power will enter the first gear by default 2: Wind speed gear: There are three wind speeds that can be adjusted, short press the wind speed button to switch gears Product selling point: 1. The car seat fan has novel shape and unique design; 2. The position of the product is reasonable and does not take up space; 3. Strong wind and low noise; 4. Three gears of wind power can be adjusted, with high applicability.