1.3 Adjustable Wind Speed – With an intelligent wind control system, the air delivery distance is increased by 60%, and the wind speed reaches 2M/S. With three adjustable wind speed settings that simulate natural wind, the airflow is strong and stable, helping you cool down comfortably and quickly. 2. Atomization & Spray Timing Function – Advanced atomization technology delivers 30-35ml/H of fine mist. Water mist penetrates the skin for rapid cooling and hydration. Enjoy a healthier indoor environment with cool, humidified air in no time. The spray timer function automatically stops spraying after 3 hours for safe and convenient operation. 3. Safe Adjustable Shutter Design – Features safe shutters to prevent contact with fan blades, protecting hands from injury. Shutters can be adjusted to direct airflow as needed, with an adjustment range of up to 90 degrees. 4. Long Battery Life & One-Touch Operation – Built-in 2000mAh lithium battery provides up to 5 hours of continuous use on a single charge. The mini air cooler is simple to operate—just press the power button to turn on the fan; no need to connect to a USB port. 5. Removable and Washable Filter – Equipped with a multi-stage high-efficiency filter that effectively captures airborne micro-dust particles and purifies the air, delivering clean, high-quality airflow. The filter is removable and washable, lasting up to 6–8 months with proper care. When not in use for extended periods, dry the filter thoroughly and store it in a clean, dry place.