Cool and Safe: Upgraded neck fan with 78 air vents, innovative turbo fan blades and wind hole design, efficient air separation and feel the cooler breeze more gently. The design of the bladeless neck fan can be safely used by children and the elderly. Free your hands: The appearance of the neck fan is the headphone design, fashionable and versatile. When using it without worrying about the hair being rolled in, also free your hands. Hanging Neck Fan Is Lightweight, Easy To Carry Outdoor, Indoor, Office, Gym, Travel, Camping And So On. USB charging and 3-speed wind speed: USB powered rechargeable fan, can be charged by computer, phone charger, mobile power, etc. Built-in 4000mAh battery provides 3 to 16 hours of operation time (depending on the speed of different gears). Press the power button to adjust the correct fan speed to meet your needs. Low noise and comfort: Excellent upgraded multi-stage air duct design 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 worries. Customer Service: If you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.