About this itemUpdated Self-check Function with 3 Speed Low/medium/high speed level in one button. Adjust appropriate fan speed by pressing the power button repeatedly. Third gear which can be variable speed design provides you more choices in different temperature environment. Updated Self-check functionit will rotate for 2 seconds stop to avoid burning out due to excessive current when the fan is plugged in powerSo it will be safer than similar products.High Strong AirflowTo achieve small and strong wind speed, this desk fan advanced circuit board design is adopted, which supports high-speed operation of the blades to provide maximum airflow and keep you cool anytime, anywhere. It is 25% quieter and 50% more powerful than similar models; the maximum speed is up to 2400 RPM. Even at a distance of 2.5 meters, you can still feel the coolness.Quiet OperationThe mini fan is powerful and quiet, you can barely hear it at the low speed, the working sound is lower than 50db at the high speed, which will not disturb you. In addition, In addition, the switch indicator will automatically turn off the light function after 30 seconds, saving power and keeping you better sleep at night without being affected. the usb desk fan is suitable for study, reading, work, sleep, yoga, etc.USB-powered The Wurclousnow USB fan is powered by USB and compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power supply. USB fan is energy-saving and environmentally friendly. (Note:This fan does not carry a battery)Adjustable head, easy to cleanThe fan head can be tilted and rotated up and down 40 to direct the airflow to the place you want. The detachable front cover is easy to remove to clean the fan blades. Small and light personal fan, very suitable for home, office, desktop use.