– The neck fan features an LED display showing current wind speed and remaining battery, keeping you informed and in control. No need to worry about sudden shutdowns due to lack of power. – This portable fan has a 360° airflow design, providing all-around cooling from every angle. Whether at home or outdoors, it delivers powerful and even airflow to keep you refreshed and comfortable in any environment. – Powered by rechargeable 4000mAh battery, this neck fan offers 3 adjustable wind speeds. With battery life of 3.5 to 10 hours, you can enjoy continuous cooling to suit your needs throughout the day. – Neck fan that blow cold air feature a flexible TPU neckband that adjusts up to 150° for a comfortable fit. The rest of the fan is constructed with high-quality ABS material, ensuring safety, durability, and eco-friendliness for long-term use. – Product Dimension: 8.46 x 2.36 x 7.48 inches; 0.039 lbs.