Frequency conversion: The wind speed changes irregularly, restores the cool and comfortable feeling of natural wind, and it will not get a headache for a long time. Ultra Long Standby: 12h ultra long battery life, flexible power supply, charging cable for mobile phone, mobile power, car charger or computer, everyone can power the small jellyfish fan and accompany it all day. Convenience: It can be placed on the desk, can be hung and can be wrapped around various handles, freeing the hands and easy to use. Quiet operation: The table fan is powerful and quiet, it is almost inaudible at low speed, and the working noise is lower than 50db at high speed, which will not disturb you. In addition, the mini fan is very suitable for studying, reading, working, sleeping, etc. Application Area: Suitable for office, family, bedroom, study, library, game room or outdoor activities - beach, picnic, sports event, camping, hiking, cycling, backpacking, etc.