General description Experience ultra-cooling with the Portable Fan, featuring aircraft-grade turbine airflow technology that delivers 360° spiral airflow for instant relief. Its tornado-like aerodynamic design provides powerful and focused airflow, making it ideal for beating the heat. With adjustable wind speeds ranging from 1 to 100, you can customize your cooling experience to suit your needs. Technical specifications Height: 19.5 cm Weight: 0.19 kg Battery Life: Up to 16 hours on a single charge (varies by speed) Wind Speed Settings: 1-100 USB-C Compatible: Works with any power bank, laptop, or adapter Usage Speed 1-20: Gentle breeze for cooling Speed 21-40: Natural soft wind for comfort Speed 41-60: Acceleration for quick rejuvenation Speed 61-80: Icy wind for high temperatures Speed 81-90: Maximum cooling effect Other information Ultra-quiet operation: 90% quieter than traditional fans 4-in-1 multifunctional design: Handheld mode, foldable stand for desktop use, phone stand for