Big wind out of the miracle of strong wind, compact and portable body, doubling the strong wind, stepless frequency conversion of wind speed exquisite and delicate process. The infinitely variable speed and the wind it creates as raging to you. The technology comes from the high speed hair dryer 9m/s ultra-high wind speed. The cooling speed is improved by 3 times. Small air cannon: the first to introduce high-speed blower similar motor and air duct design high-speed air gush out, bringing you wind cooling experience. High speed three-phase motor of class hair dryer has low energy consumption, low noise and 10 times higher speed. supercharged air guide system strong air gathering, wide air 15 hours long long battery life 3500mAh battery life crazy! Rotation Way:Without Rotation Gear Adjustment:199Gear Charging Method:USB Style:Handheld Usage Scenarios:Multi-Function Outdoor Travel High Wind Fan Battery life:8-12 hours Rechargeable batteries:YES Power connector:Type-C Wind speed:9m/s Maximum power:10w Charging time:1.5h Rotation speed:12000rpm Colour:White Material:Plastic Package Contents: 1 * Handheld fan 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.