1.Dual Head USB PoweredDesigned with 2 fan heads, the car fan can cool down the driver and passengers at the same time. The electric fan is powered by a USB cable(5V2A, 4.9ft), which is compatible with a car charger, laptop, power bank, USB socket, etc. 2.Strong Wind 2 Speed AdjustableThe 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 has 2speed levels to meet different cool needs, press the power button repeatedly to change wind speed. 3.Cooling Car Fan for SummerThe doublehead car fan can provide strong and stable airflow, instantly bringing cooling and comfort, allowing you and your passengers to enjoy a comfortable driving and riding experience even in the hot summer. 4.Compact SizeMini 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, and stable, and not afraid of bumps.