Long-lasting Silent Mini Fan

Handheld small fan, USB rechargeable outdoor portable mini handheld fan, high wind power 3-speed adjustment, 800 mAh capacity, comes with a base for a mobile phone holder. Use encrypted filters with only 7mm spacing to effectively prevent harming children. Using the principle of rotary inertia, let the arc blades run to wind power to turn each other, the wind is bigger and cooler. Mute black technology, quiet 30db low noise, peace of mind works without disturbing people.