Portable Neck Fan 100 Speed 40000RPM Cooling -Lightweight with 16H Battery LED Display for Travel Outdoor Jobsite

100-Speed Power with 40,000 RPM High-Efficiency Motor for Powerful Cooling Long-Lasting 4500mAh Battery with 16-Hour Usage and Real- LED Display LED Interface for Speed and Battery Level Adjustment 4-in-1 Design for Hands- Use as Handheld, Waist, Neck, or Wearable Fan -Lightweight and Compact for Easy Portability During Travel, Outdoor Activities, and Daily Use