[Improved indoor air circulation] This air circulation fan promotes indoor air circulation, balancing indoor temperature (between hot and cold air), which helps improve indoor air quality during hot summers or cold winters. [Powerful turbine fan] It exchanges air with a maximum wind speed of 5.5 meters per second, driving a stronger airflow over a larger area. [Oscillating desktop fan] This desktop fan has a rotating base that automatically oscillates 120° left and right and 140° up and down, providing a cool breeze from multiple angles. Experience a stronger circulating airflow, feel the cool breeze even from 3 meters away. This desktop fan provides a powerful yet quiet breeze, creating a cool and peaceful sleeping environment. [Rechargeable desktop fan] This fan has a built-in high-capacity battery, providing longer battery life and eliminating the need for frequent charging, giving you a different blowing experience.