Smart Digital Display coldSky handheld fan features an LED smart display screen, which accurately shows the remaining battery power and wind speed level. This makes it easier for you to adjust the fan to the desired speed level and know when to charge the fan, avoiding the embarrassing moment of running out of power outdoors Powerful Airflow & 5 Speeds The small fan is equipped with a brushless motor, ensuring stable high-speed operation of the fan blades. The turbine-shaped blades concentrate and strengthen the airflow, continuously producing strong airflow that can cool you down within 3 seconds, making it your summer essential Longer Working Time The battery powered fan has a built-in 3000mAh high-quality battery, which can be fully charged in just 2.5 hours and can run continuously for 4-17 hours. You can enjoy a cool and comfortable day without worrying about running out of power. Perfect for travel, makeup, eyelashes, camping, outdoor, indoor, etc 3-in-1 Multifunction Fan This personal fan can be used as a handheld fan, neck fan, or desk fan. Our foldable fan can be flexibly adjusted vertically by 90. Its adjustable design allows you to change the airflow direction and stay cool from any angle Mini Portable Fan & Foldable This mini fan is compact and foldable, making it perfect for car seats, desks, gyms, camping, cycling, strollers, cribs, or any other place where you need a breeze. Its compact size allows you to carry it with you when traveling