General description This USB Rechargeable Portable Neck Fan is designed for outdoor work, travel, and camping. It features a 4500mAh rechargeable battery that provides long-lasting cooling, with a battery life ranging from 4 to 16 hours depending on the wind speed. Weighing only 165 grams, this lightweight fan is compact and easy to carry, fitting comfortably in any pocket. It can be worn around the neck, waist, or by hand, keeping your hands free while you work or relax. Technical specifications Battery capacity: 4500mAh Battery life: 4 to 16 hours Weight: 165 grams Motor speed: 36,000 rpm Air speed: 13.3 m/s Usage Ideal for outdoor activities, travel, and sporting events Perfect for lawn laying or outdoor construction work during hot summer days Can be worn around the waist or neck for hands-free cooling Other information Made of high-quality ABS + PC for durability Equipped with a powerful and efficient turbine motor for instant cooling