4000mAh Rechargeable Battery and Long Battery Life Equipped with a high-capacity 4000mAh lithium battery, this fan provides long cooling on a single charge. USB-C fast charging . 3-in-1 Multifunctional Design Use it as a handheld fan, desk fan, or neck fan! The foldable design makes it ultra-convenient for travel, outdoor activities, office use, and more. Stay cool anytime, anywhere! Portable and Foldable for Easy Carrying Compact and lightweight, this mini fan fits easily into pockets, backpacks, or handbags. Perfect for outdoor sports, camping, travel, workouts, and everyday carry! Ultra-Quiet and Safe Bladeless Design Designed with a low-noise motor, even at the highest speed, it runs quietly without disturbing work or sleep. Making it ideal for kids and seniors. Powerful Turbo Wind and 5 Adjustable Speeds Featuring advanced turbocharging technology, this fan delivers stronger and more even airflow. With 5-speed settings, you can easily switch from a gentle breeze to high-speed cooling with just one button!