【Small But Powerful】: The size of the USB fan is: 5.23 inches. Although small in size, the wind is strong. It has 5 streamlined fan blades to reduce noise (low noise and quiet in low speed mode), reduce wind resistance and increase air delivery area. Suitable for home, car, office, camping or travel. It is a small companion in daily life. 【Adjustable & Easy to Clean】:Small, light and convenient personal fan with 20-degree adjustable valve body, the wind direction can be changed as required. It can circulate indoor air and balance room temperature. The rotating fan cover extends the distance of the draft shield. Detachable design, rotate counterclockwise to remove the mesh cover, easy to clean. 【Infinitely-variable Of Speed Control Knob】: Unlike the traditional wind speed adjustment button, this mini usb fan adjusts the wind speed through a 180-degree adjustable knob. The wind speed changes smoothly with the rotation of the button. You can choose the most comfortable speed according to your needs. 【High Compatibility USB Power】: SmartDevil USB fan is powered by USB and is compatible with PC / laptop, mobile power, AC adapter, car charger and other USB supported power. USB fans save energy and protect the environment. (Note: This fan has no battery) 【Customer Service】: Provide free online customer service. We promise to answer within 24 hours and can answer any questions about SmartDevil products.If you have any questions, please feel free to contact our customer service email: support.ca@smart-devil.com
