Next Generation AI Neck Fan - Experience a superior level of cooling with our upgraded AI portable and wearable fan, featuring dual turbine motor fans that deliver 360 airflow around your neck and face. The scientifically designed air outlets ensure you enjoy a refreshing breeze from every angle, keeping you cool even in high temperatures. 4 Adjustable Wind Speeds - With 4 speed modes (Sleep/Comfort/Cooling/Strong), from gentle and soothing to powerful, you can easily adjust the airflow speed to your comfort by pressing the power button. The low operating noise ensures it won't disturb you while studying, working, or engaging in other activities. Long-Lasting Working Time - Our neck fan features an advanced 4000mAh dual polymer lithium battery, utilizing advanced lithium-ion technology and an AI chip for superior energy efficiency, minimizing energy loss. This extends our battery life to 5-16 hours. The battery supports Type-C fast charging, ensuring a convenient and efficient user experience. Portable Design - The portable travel fan features 360-degree surround airflow cooling, a stylish appearance, and a hands-free design, making it convenient for travel and easy to wear around your neck. Made with skin-friendly ABS and silicone materials, it ensures comfort even during prolonged use. Suitable for Multiple Scenarios - The personal neck fan helps you stay cool during various outdoor activities like gardening, traveling, hiking, cycling, and concerts. It's also suitable for all indoor scenarios, ensuring you stay cool whether you're working, exercising, cooking, or enduring hot environments.