Turbocharged airflow construction This portable handheld fan uses turbocharged airflow construction and an optimized duct design based on aerodynamic principles to deliver powerful airflow and wide circulation for effective cooling. Digital display with precise control Equipped with a digital display for precise control with 120 adjustable speed settings. Use the plus and minus buttons to adjust the desired speed. Press once to switch between gears, and long press to increase or decrease the gear level. AI protection and safety protections With a builtin AI protection chip, this fan provides multiple safety protections including overcurrent, overvoltage, short circuit, and temperature protection for a safer user experience. Compact and lightweight design Designed to be compact and lightweight for portability and easy carrying. It is suitable for camping, travel, home, and office use. It operates quietly to provide a comfortable user experience. Practical use scenarios Camping or outdoor activities: compact, portable cooling wherever you go. Travel or commuting: easy to pack and carry in bags or backpacks. Home or office desktop use: cooling with quiet operation.