Bladeless Design: Forget about traditional fan blades. Our desktop fan uses the principle of turbine rotation to blow out the wind vertically and make the wind more concentrated. The hidden fan blades prevent children from touching and are a good companion for the elderly and children in summer.Three-speed adjustable: This small fan has one-button control with low / medium / high speed to meet your different requirements. Long press the button until the indicator light goes off. The fan can be switched off at any time. You do not need to press the switch repeatedly.120 -Adjustment: The fan head can be adjusted 120 up and down to direct the airflow to the desired position and make the use of the fan more flexible and convenient.High compatibility USB-powered: The table fan is compatible with PC / laptop, power bank, AC adapter, car charger and other USB-enabled power supplies via USB cable. The USB fan is energy-saving and more convenient.Noise Reduction: This USB fan is equipped with a brushless DC motor with smooth speed and low frequency operation, which will not disturb your study and work and provide you with a comfortable and cool experience on hot days.