1. Small but mighty: : Although it is small but the wind is strong. It has streamlined fan blades to reduce noise, reduce wind resistance and increase air supply area. for home, car, office, office, camping or travel. 2. Adjustable Easy to clean: : small, light and convenient personal fan with adjustable valve body, the wind direction can be changed as needed. Can circulate indoor air and balance room temperature. The rotating fan cover extends the distance from the windshield. 3. Speed control: : Unlike the traditional wind speed adjustment knob, this fan adjusts the wind speed by an adjustable knob. The wind speed changes smoothly with the rotation of the knob. You can choose the most comfortable speed according to your needs. 4. High compatibility USB power supply::; The 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.