General description This portable neck fan is designed for hands-free use, allowing you to stay cool while keeping your hands free for activities like exercising, cooking, or traveling. With a stylish headset design, it can be comfortably worn around your neck, making it an ideal companion for hot summer days. Technical specifications Battery: 3000 mAh USB rechargeable lithium battery Charging time: Approximately 4 hours Running time: 3-6 hours, depending on the selected air speed Noise level: Less than 36 decibels Wind speeds: 5 adjustable speeds Usage This neck fan is perfect for personal cooling during various activities, including indoor cooking, reading, office work, and outdoor adventures such as camping, hiking, fishing, and cycling.