Powerful semiconductor cooling delivers rapid heat dissipation with speed airflow, quickly lowering your body temperature for relief on hot days indoors or outdoors. Portable and foldable design: a handheld cooling fan with a compact folding mechanism that collapses to 17 x 6 x 4 cm, making it easy to carry in a bag and store without occupying extra space. USB rechargeable operation: built in lithium battery and USB charging provide up to 4 hours of continuous operation on a single charge, reducing the need for frequent battery replacements. Real digital display: a clear screen shows fan speed and remaining battery life, allowing you to adjust airflow intensity to match your cooling needs. Benefits and solutions at a glance: Quick, targeted cooling when you need it most, thanks to semiconductor cooling and adjustable airflow. Light, compact, and travel ready; folds neatly for easy transport and storage. Simple charging from USB power sources; no disposable batteries required. Transparent feedback on speed and battery status helps you manage usage and planning. Key features aligned with usage: Function: cooling for hot days, indoor or outdoor, with rapid temperature relief. Compatibility: USB charging compatible with standard USB power sources; convenient for travel and daily use. Size: collapsed dimensions of 17 x 6 x 4 cm for easy portability and storage. Performance: speed airflow from semiconductor cooling with a digital display for precise speed control and battery monitoring. Practical use scenarios: Outdoor events and activities: hold the compact device in your hand or set it on a small surface to stay cool during sports games, festivals, or commutes in heat. Office or home workspace: cooling in a small area without running a large fan, helping you stay comfortable while working. Travel and onthego: lightweight and foldable for bags or purses, ready to provide cooling during flights, train rides, or daily errands.