- Powerful Brushless Motor: Experience strong cooling with our upgraded brushless motor, delivering a maximum wind speed of 9m/s and a top speed of 10,000 rpm. Ideal for travel, outdoor adventures, or cooling off at home and work. - Long Battery Life: Equipped with a robust 4000mAh battery and energy-saving technology, this battery-operated fan provides 2-15 hours of continuous operation depending on the speed setting. Easily rechargeable via a standard outlet, power bank, or USB device, with a full charge in just 1.5 hours. - Versatile Air Speeds: This handheld fan features 100 adjustable air speeds, allowing you to customize your cooling experience to suit any environment, even in extreme heat. - Safe and Durable Design: Made from high-quality ABS and PC materials, the fan ensures comfort and durability. A built-in AI protection chip safeguards against over-current, over-voltage, short circuits, and high temperatures for reliable use. - Ideal for Various Activities: Perfect for outdoor activities like camping, beach days, concerts, and sporting events. A practical companion for road trips and vacations, providing comfort on-the-go. - Compact and Lightweight: Designed for portability, this small but powerful fan easily fits in your bag, making it an essential travel accessory. With its combination of power, battery life, safety features, and adaptability, this portable fan is the ideal solution for staying cool wherever life takes you.