Feature: 1. Three Gears Adjustment: This car cooling fan uses three gears adjustment. It can be adjusted for tightness. You can adjust the gears according to the size of the headrest bar;2. 360-Degree Rotation: This USB charging auto ventilation fan comes with a rotatable fan base. It can rotate . This is perfect for installation in every corner of the back of the car. It can bring coolness to the passengers.3. Provides Strong Breeze: This electric car cooling fan provides strong breeze to cool down the rear passengers with 2 rotatable fan heads, perfect for keeping the rear passengers cool and comfortable;4. Easy Installation: This auto air fan can be easily installed manually without any additional tools. All you need to do is tighten the bottom swivel nut, plug it into a USB power outlet, and you're ready to go;5. USB Power Interface: This car powerful cooling fan has a USB power interface. It is used in all car models, including cars, SUVs, commercial vehicles, , trucks, buses, off-road vehicles, excavators and , etc. This electric back fan is portable and light. Whether you can carry it in your car or car headrest, it will not take up too much space to you. Let your daily car driving and life more comfortable and relaxing.Specification:Item Type: Heating & FansModel Name: Car Cooling FanSpecial Features: RotatingColour: blackMaterial: ABSType: 12V,24VInput voltage: 12V/1.2A 24V/0.7AInterface type: 12V/24V-car chargerPower: 20W (20%)Wind power: three adjustable levelsDimensions: 305 x 128mm/12.0 x 5.0inchSuitable for car models: UniversalPackage Contents:1 X CAR FANOnly the above package content, other products are not included.ote: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.