180degree foldable and ultraquiet design Flexible 180degree folding allows handheld use, placement on a table, or hanging for versatile setups. Ultraquiet operation makes it suitable for work, study, or sleeping environments that require low noise levels. Fivespeed adjustable settings and ultrawideangle airflow Five wind settings provide a range from gentle to stronger airflow to match preference and different situations. Ultrawideangle square flow distribution delivers speed airflow from multiple directions, promoting broad cooling coverage. Enhanced portable desktop fan (F11) Thin, compact design with a rechargeable 4000mAh battery for easy portability. Longlasting performance supports prolonged use in various environments, including bedroom, office, or outdoor travel, delivering continuous cooling. Dualmode power supply Powered by either battery or USB power, ensuring operation even when a socket is not available. 23 practical use scenarios Quiet cooling at a desk or bedside: ideal for focused work, study, or restful sleep without excessive noise. Portable cooling during travel or outdoor activities: light, slim profile and rechargeable battery enable convenient use anywhere. Suitable for small spaces such as bedrooms, offices, and dorm rooms where compact size and flexible mounting are beneficial.