About this item Long-Lasting Battery:The portable fan is equipped with an in-built rechargeable 3000 mAh battery and USB charging port. With a full charge, the rechargeable fan will last for about 4-9 hours, giving you constant cool air. Three-Stage Adjustable Wind Speed:Neck fan 3-stage easily adjustable wind speed. The speed of this portable battery Neck fan can also be adjusted among low, medium, and high according to your demands. it is decent and quiet which ensure the peaceful flow of air. Fashion Style:Portable neck fan, hand free design. It weighs only 0.5 pounds, easy hanging around your neck. free your hands anywhere,very suitable for personal cooling, offices, churches, outdoor activities, such as camping, traveling, hiking, climbing and watching sports games, etc. Safe & Convenient:Neck fan,no fan blades, silent design, and will not pinch hair,When using the fan, you don’t have to worry about your hair getting caught on the fan blades,it can be used safely by children and the elderly Low noise and comfort: Excellent upgraded technology with multi-stage air duct design greatly reduces fan noise. Made of environmentally friendly ABS and silicone, it is natural to wear, comfortable and skin-friendly. Wearing the neck fan can also study or work without worry.