BRIGHTER & COOLER & QUIETER -- REENUO camping fan built-in 12 LED blubs with 3 brightness, designed with 3 different wind speeds, and whose noise is lowered to 30dB, could provide cooling air circulation in any desired direction with 360° rotation. WORKING LONGER -- Built in a rechargeable 5000mAh battery, this battery operated fan can last for 5 - 34 hours working time depending on different speeds. If using the LED light only, it can last for 9 - 220 hours depending on different brightness. With the standard USB charging cable, the fan can be fully charged via the equipment with USB connectors like a power bank, adapt, or car charger within 3-4 hours. VERSATILE USAGE -- With a built-in hook at the bottom, the small fan can be hung on tents and branches, inside a car, etc. It also can be placed on the desk or mounted on the wall. One of the best choices for camping, sleeping, traveling, reading, and so on. PORTABLE & DURABLE -- This portable small fan is made of high-quality