Safe Concealed Blade Design: The JISULIFE handheld fan features built-in turbine blades and a high-voltage protection chip for safety and optimal coolness. No more finger injuries! Offers increased safety for children, the elderly, and pets. Upgraded Turbo Motor: Aircraft engine turbine technology for exceptional power. The airflow volume of this handheld fan is 30% higher than conventional fans. Its speed can reach 9000 rpm. The 7 wedge-shaped blades absorb wind force, tripled by the air duct. 5 Speeds for Optimal Coolness: The turbocharged motor produces ultra-powerful wind, and the 5-speed selector allows you to choose between a light breeze and strong wind. Different speeds adapt to your needs. A light breeze is ideal for office use, makeup, and quick eyelash drying, while strong wind is ideal for outdoor activities and quickly relieving hot flashes. Long-lasting 4500 mAh Battery: This portable fan is equipped with an energy-efficient 4500 mAh battery offering up to 18 hours of autonomy. It fully recharges in 4 hours and keeps you cool all day. This summer, take it with you to cool off outdoors, whether for your commutes, errands, festivals, or travels. Super Mini: Ultra-light 148g mini portable fan, lighter than a mobile phone. Easily slips into a travel bag, fanny pack, or jeans pocket. It has a lanyard for easy hanging on the wrist. With its elegant and refined shape, this fan is also an excellent gift for women, men, children, girls, for Easter or for a white elephant.