Brand new, unused! Instant purchase welcome! 【4000mAh Large Capacity Battery & Portable】Equipped with a 4000mAh large-capacity battery, it allows for 10 hours of continuous use. The neck fan is lightweight at 350g, making it easy to carry when going out or traveling. 【Airflow Adjustment & Quiet Design】With 5 levels of airflow settings, you can adjust the airflow to your preference and enjoy comfortable coolness with quiet wind. The quiet design provides a comfortable usage environment. Suitable for use in quiet environments such as when sleeping or studying. 【LCD Display & Battery Indicator】The neck fan is equipped with an LCD display. It makes it easy to adjust the airflow and check the battery capacity. The 1 to 5 levels of airflow settings and remaining battery level are displayed, allowing you to enjoy comfortable wind all day long. 【Fast Charging & Safety Design】Supports USB charging and fast charging, making charging very convenient. You can enjoy comfortable wind in your busy daily life. Also, it has a safety design that prevents hair from getting caught. 1580r7059