Hands-free staff fan hot: release your hands anytime, anywhere; fashion style makes you look cool. Hanging on the neck, suitable for traveling in hot weather. Fan with a bendable neck and double wind heads: The portable fan has two wind heads, which can feel a stronger airflow and can be adjusted 45 degrees for exercise. 3 speed grades: low/medium/high speed grade. Press the power button to adjust the appropriate fan speed. The neckband fan with strong airflow can quickly and easily get instant relief of hot flashes. Semiconductor refrigeration technology: high cooling intensity. Using the second law of thermodynamics, the current generated by the semiconductor refrigeration chip will form a temperature difference and exchange heat energy. Lightweight, small staff cooling fan is easy to carry, easy to store, is a true hands-free neckband fan. [Sale Guarantee] - If you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.