The battery life of the fan is up to 6 hours: the fan has a built-in 2000mA battery that can charge 18650 batteries. Cycle charging, the first gear can last more than 6 hours. USB charging interface, convenient and practical.Strong wind and low noise: In order to cut off the air flow more evenly and densely, we use innovative multi-blade axial 3D curved fan blades, which have the stability of brushless motors and show more sufficient and quiet sound air volumeThe third gear wind speed can be adjusted at will: the first gear provides soft air, suitable for lunch break. The second gear is cool and doubles, suitable for work and study. The third gear is surging, suitable for shopping trips.Mini portable mini fan, retro design style. Adult fist size, can be easily put into pockets and shoulder bagsA brushless motor is adopted, which saves energy at the bottom. Brushless copper core motors can effectively reduce shaft friction and improve performance. Run slowly at low speed and operate gently. More energy efficientSeconds change desktop fan, comes with bracket to easily switch between outdoor blowing mode and desktop modeSpecifications:Product name: hanging neck fanPower: 4wWind force: third gearProduct material: ABS + PCProduct size: 124 * 81 * 30mmBare metal weight: 136gBattery: Built-in 18650-2000mAh batteryColor: white, pink, greenPackage Included:1 * Small fan1 * USB charging cable1 * lanyard