HONCLL Personal Fan Mini Table USB Rechargeable Durable Desk Fans with Stepless Speed

Free rotation up and down, flat, hanging, portable three in one. There is a stepless speed change button on the back, which can adjust the speed with one hand to meet your different needs. Powerful, table fan, table lamp, emergency power supply, can be used indoors and outdoors. Built-in 13500mAh battery, can last for 15 hours. 12V for DC charging port, can be used while charging, for smart power display.