Precision Speed Control & TurboBoost Airflow: Experience dual customization with 5 preset speeds (1%/25%/50%/75%/100%) for quick adjustments and seamless stepless speed selection through arrow-hold functionality. The proprietary 7-blade TurboBoost system delivers 39% stronger airflow than standard 3-blade fans, delivering office-strength airflow while maintaining library-quiet operation for focused workspaces. Built-in 5400mAh Battery with LED Display: Equipped with a high-capacity 5400mAh rechargeable battery, this small desk fan provides long-lasting cooling. The digital LED display shows both the current speed setting and remaining battery level, so you always know when to recharge. 90°Adjustable Tilt & Versatile Mounting Options: This deskstop fan head can be manually tilted by 90 degrees, allowing you to direct airflow precisely where you need it. With a built-in hook and a small screw provided, you can easily hang it on a wall or mount it on smooth surface for flexible pl