Features: 360° ROTATION: USB 5V, Cigarette-Lighter 12V/ 24V portable dual for head car fan with adjustable for head design can meet the needs of people. The fan with 2 USB ports.If you want to use 2 USB ports to charge your smartphone in the 5V version, you need to use a 5V 3A or more USB car charger. The 2 USB ports in the 12V 24V version can directly charge devices such as smartphone and tablets. AIR CIRCULATION: pure copper motor, high efficient electric car fan. Immediately help to cooling down the temperature when the AC is weak. Less energy consumption & Enviromentally friendly. NO VISUAL BLIND SPOT: car fan will not have visual blinkspot with small size. Adhesive pads help the car fan tightly stuck on the dashboard. DOES THE HIGH A/C MAINTENANCE COSTS THAT DAUNTING YOU? Excellent car fan fits all kinds of car from small, medium and large full size Sedan Van Truck SUV RV ATV boat with USB 5V, 12V/24V for DC Cigarette-lighter socket. Specifications: Material: Plastic Specifications: USB 5V, Cigarette-Lighter 12V, Cigarette-Lighter 24V (optional) Size: approx. 25.5x16.5x11.5cm/ 10.04x6.5x4.53in USB Cord Length: approx.1.for 3m/ 51.18in Package Includes: 1x Dual for Head Fan 1x Manual 1x USB Cord note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.