Usb and Type C charging options, 20000mAh battery operated fan designed for convenience and efficiency. Easily charged via Type-c, 5V/2A to reach full capacity, ensuring long hours of continuous use. With high and low speed settings, the fan provides cool air for 8-38 hours. Equipped with brushless technology and ultra-thin fan blades, operates quietly at less than 28 dB. Features 4 wind speed options and 3 brightness levels for integrated Led light. 90-270 degree manual rotation for airflow direction, 360 degree rotating hook design for easy hanging. Compact and lightweight for travel, camping, hiking. Clear power light indicator shows 25%, 50%, 75%, 100% battery levels. weight: 2.64 pounds. 10.8""D x 8.4""W x 4.8""H