Bladeless design:Forget the traditional fan blades, our desktop fan uses the principle of turbine rotation to blow out the wind vertically to make the wind more concentrated.The hidden fan blades prevent children from touching,it is a good companion for the elderly and children in summer. Three-speed Adjustable:This small fan has low/medium/high speed level, one-button control to meet your different needs.Long press the button until the indicator light goes out, the fan can be turned off at any time, no need to repeatedly press the switch. 120 Adjustment:The fan head can be adjusted up and down at 120 to direct the airflow to the position you want, making the use of the fan more flexible and convenient. High Compatibility USB-powered :Powered by a USB cable, the desk fan is compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power supply.USB fan is energy-saving and more convenient. Noise Reduction: This USB fan is equipped with a brushless DC motor, with uniform rotation speed and low-frequency operation, which will not disturb your study and work, and will bring you a comfortable and cool experience in the hot day.