【Compact Size】ONLY 4.3 Inches! It takes up little space on the desk. The mini desk fan comes with a 4.9ft long cord, making it great for home, office, dorm, library, bedside and car. You can enjoy the coolness of summer at anytime and anywhere. | 【Infinitely-variable Of Speed Control Knob】 Unlike the traditional wind speed adjustment button, this small desk fan adjusts the wind speed through a 270-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. | 【Ultra Quiet】With upgraded motor, the personal desktop fan has stronger wind and less noise, max wind speed reaches 4.6m/s at highest speed. The table fan is powerful and quiet enough to give you a comfortable working and resting environment. | 【Adjustable & Easy to Clean】The head of the fan can be rotated up to 30 degrees, allowing you to precisely control the direction of the airflow. The front cover of the desk fan is detachable, making it easy to clean and maintain. Keep your fan running smoothly and looking new with minimal effort. | 【USB Powered Fan】The usb desk fan is USB powered, you can directly connect by PC/laptop, power bank, AC adapter, car charger or other USB-enabled power supply. Small USB fans save energy and protect the environment. NOTE: 1.This fan has no battery. 2.No charger included.