Designed with 2 fan heads, the car fan can cool down the driver and passengers at the same time, the 2 heads are independent to control wind speed and power on/off. The electric fan is powered by a USB cable(5V-2A, 4.9ft), which is compatible with a car charger, laptop, power bank, USB socket, etc. 【STRONG WIND & 3 SPEED ADJUSTABLE】: The vehicle fan has powerful wind that can blow hot air out of your car efficiently, especially for cars that don’t have A/C, it will also improve ventilation and air circulation, thus eliminating unpleasant smells. It has 3-speed levels to meet different cool needs, press the power button repeatedly to change wind speed. 【REMOVE ALL SMELLS & KEEP YOUR CAR FRESH】: If you are looking for an effective way to remove unwanted cigarette, pet, smoke, or food odors from your vehicle interior, look no further. Our cooling fan for cars uses 5 blades silent design, accelerates car air circulation. With built-in aromatherapy, the fan makes the air fresh and pleasant and eliminates odors. 【COMPACT SIZE】: Mini electric car fan doesn’t take up space and will not cause a visual blind spot. Adhesive pads help to firm it on the dashboard or the seat armrest area without blocking sight, safe and stable, and not afraid of bumps. 【CAN BE USED INDOOR OR OUTDOOR】: 12V-24V fan fits all the family and Vehicle Car Truck SUV RV ATV Boat etc, can refresh the air in your vehicles effectively. If you have ac to dc adapter, it can be used perfectly at home.