STRONG AIRFLOW: 3 speed levels can be adjusted to your demands by pressing the touch switch. High efficiency with brushless motor and low noise. Speed 1 (2900 rpm) is comfortable and quiet, suitable for sleep; Speed 2 (3260 rpm) is designed for work and study; Speed 3 (3700 rpm) is powerful and cool to help you enjoy outdoor leisure in summer. 2-in-1 QUICK COOLING: mist humidification and airflow powerful air create a super strong cooling effect. With 60ml water tank. Long press the switch to spray mist for better cooling, lower the temperature to about 20℃ and beat the heat quickly, make you feel more comfortable. UNIQUE GRILLE DESIGN: This electric fan adopts a unique type of slat grille cover design, can meet a wide range of airflow directions. Freely adjust the airflow direction up and down according to your needs. USB MINI FAN: Built-in rechargeable battery, USB cable included, fully charged can last 4 hours; For stable charging, we suggest charging with some USB devices like PC,