The portable strollers fan features a powerful 500mAh battery, ensuring cooling comfort Perfect for use in offices, bedrooms, outdoor activity, or during travel, providing relief from the heat This fan boasts adjustable winds speeds and a quiet operations, complemented by a fashion design and USB charging for effortless use Crafted from food grade ABS, PP, and silicone materials, this bladeless fan enhances air while being safe for everyday use Ideal for students, workers, travelers, and anyone in need of portable cooling solution