Upgraded Turbo Engine: Aircraft engine turbine technology to provide super power. The air volume of the handheld fan is 30% higher than that of ordinary fans. The speed is as high as 9000r/min. The 7 wedge-shaped fan blades absorb wind force, and the wind force is increased by 3 times through the air ductHidden Blades Safe Design: The hand fan adopts built-in turbine blades and high-voltage protection chip, to achieve safety, and enjoy coolness. Never worry about hurting your fingers again, provides extra security for children, the elderly or pets5 Speeds Tailor Your Chillness: The turbocharged motor brings super strong wind, and the 5-speed switch ranges from gentle breeze to strong wind. Different wind speeds meet your various chill demands. Gentle breeze is suitable for office, makeup, quick-drying lashes, and strong wind is ideal for outdoor activities and quick relief of hot flashes4500mAh Long-Lasting Battery Life: This portable handheld fan uses an energy-efficient battery with a 4500 mAh battery life of up to 16 hours. It takes 4 hours to fully charge and can meet your cooling needs for the whole day. This summer, bring this fan with you to cool down in a variety of outdoor scenes, such as commuting, shopping, music festivals, and travelSuper Mini Size:148g ultra-light mini handheld fan, lighter than a mobile phone. Can be easily put into a commuter bag/sports waist bag/jeans pocket. It comes with a lanyard so you can also easily hang it on your wrist. With its exquisite and beautiful shape, this fan is also the best choice for gifts for women/men/kids/girls/easter/white elephant