portable summer air cooling hanging neck fan bladeless for outdoor sports running travel wearable usb neckband lazy neck fans

mini sport neck fan adjustable air cooling low noise portable mini fan neck fan/mini sport neck fan usb powered desk neck fan turbine port, semi-enclosed air intake, dustproof and sweatproof, bid farewell to dust accumulation, 2000mah large-capacity battery is charged for 3 hours, battery life is 6 hours invisible fan blades, 60 dual-turbo fan blades, 6 times the air volume, instantly cool, release your hands, and 360 ° surround the wind. 15° slightly lying angle, precise wind. three-speed adjustment, different wind speeds, extremely fast charging, real-time power display..syi