Strong Wind & Quick Cooling: Experience strong, stable cooling with JISULIFE portable turbo fan. Powered by a high-speed three-phase brushless motor, With a maximum wind speed of 10m/s and 40,000 RPM (4x faster than regular fans), providing you with a strong breeze for quick and efficient cooling. 18-Hour Long Battery Life: Stay cool for up to 18 hours with the JISULIFE handheld mini fan, powered by a 5000mAh battery and 5 adjustable speed settings. Perfect for travel, concerts, and outdoor adventures! Compact, Lightweight Design: Weighing only 170g and featuring an ultra-small design, this portable fan fits easily in your pocket or bag, with a lanyard for added convenience. USB Charging, Easy and Convenient: The rechargeable fan is compatible with standard USB ports, laptops, power banks, and car chargers, providing a seamless and convenient charging experience wherever you go.