About this product 【360° Icy Tornado】 - Experience ultra-cooling, aircraft-grade turbine airflow technology, delivering 360° spiral airflow for instant relief. Adopting a tornado-like aerodynamic design, it provides a more powerful and concentrated airflow, ideal for beating the heat! 【Adjustable Hurricane-Level Wind Speed】 - Slide the pulley to customize the wind speed (1-100 speeds) Speed 1-20: Breeze for gentle cooling Speed 21-40: Natural soft wind for comfort Speed 41-60: Acceleration for rapid rejuvenation Speed 61-80: Icy wind for high temperatures Speed 81-90: 100: Hur: The next level of power for maximum cooling effect. 【Long-lasting battery and fast charging】Up to 16 hours of continuous battery life on a single charge (variable by speed). USB-C compatible: Works with any power bank, laptop, or adapter. Stay cool all day long, whether you're traveling, at work, or outdoors! 【Ultra-quiet noise reduction】- 90% quieter than traditional fans thanks to its quiet blades and