Lerpwige High Velocity Fan USB Rechargeable Sturdy Table Fans with 3 Gear Light, Personal Portable Fan for Outdoor Bedroom Office

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.