Feature: 1. Three Gears Adjustment: This car seat back 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 headrest 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 Ffn 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 rear seat 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. Widely Applicable: This car powerful cooling fan has a USB power interface. It is used in all car models, including cars, SUVs, commercial vehicles, vans, trucks, buses, off-road vehicles, excavators and cranes, 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 Certification: NONE Origin: Mainland China Model Name: Car Seat Back Cooling Fan Item Length: 215 mm Item Width: 125 mm Item Height: 110 mm Item Weight: 410 g Material Type: PP Voltage: 12V/24V Color: Black Input voltage: 5V (USB charging) Input current: 2A Power: 10W (20%) Wind speed: 1-3 gears optional Wire length: 180cm/70.9inch Fixed position: car seat headrest pole Applicable models: Universal Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Package: 1 x Car Seat Back Cooling Fan