NIB The OLV Neck Fan is a powerful and portable mini fan equipped with a 6000mAh rechargeable battery, providing up to 18 hours of continuous operation. With 4 turbine motors and a 360° adjustable design, this fan offers quiet operation and customized airflow for optimal comfort. The sleek black color and rechargeable feature make it a convenient and energy-efficient option for indoor air quality improvement. Perfect for both personal and home use, the OLV Neck Fan is a reliable choice for heating, cooling, and air circulation needs.