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 360 degrees. This is perfect for installation in every corner of the back seat 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 seat passengers with 2 rotatable fan heads, perfect for keeping the rear seat 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 seat back fan is portable and light. Whether you can carry it in your car seat 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 & Fans Model Name: Car Cooling Fan Special Features: 360 Degree Rotating Colour: black Material: ABS Type: 12V,24V Input voltage: 12V/1.2A 24V/0.7A Interface type: 12V/24V-car charger Power: 20W (20%) Wind power: three adjustable levels Dimensions: 305 x 128mm/12.0 x 5.0inch Suitable for car models: Universal Package Contents: 1 X CAR FAN Only the above package content, other products are not included. Note: 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.