ABOUT THIS ITEM MINI SIZE: Only 4.78 inches long and 1.39 inches thick, and weighs 6 ounces, very compact and lightweight. Made of high-quality materials and beautifully designed, it is perfect for use at home, office, desk, car, camping or traveling. Three gears are adjustable: light wind, natural wind and strong wind are optional. Press the power button repeatedly to adjust the appropriate fan speed. The three gears are designed to provide you with more choices in different temperature environments. 360 Rotatable Ultra Quiet: The wind direction of the USB desk fan can be adjusted 360 degrees to meet your different needs. With its silent construction, this mini fan is designed to be ultra-quiet while providing high airflow. High Compatibility USB Powered: The air circulation fan is powered by USB, compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power sources. USB fan is environmentally friendly (note: this fan does not come with batteries)