JISULIFE powerful portable turbo fan adopts advanced 9-blade design, with high-speed three-phase brushless motor, providing a maximum wind speed of up to 10m/s. 40000 RPM, which is four times that of ordinary handheld fans, brings you a strong and stable wind experience. JISULIFE handheld mini fan is equipped with a 3600 mAh battery capacity, which can provide up to 12 hours of battery life, ensuring that you stay cool during travel, concerts and outdoor adventures. Mini handheld fan provides 5-speed adjustments to adapt to your wind needs in different environments and moods, whether it is a gentle breeze or a strong cool breeze, it can meet your personalized needs. The ultra-small body design and 160g ultra-light small fan allow you to easily put it in your pocket or bag. This portable fan has an lanyard, perfect for travel, camping and outdoor adventures. The Rechargeable Battery fan is compatible with regular USB ports, laptops, portable power banks and car chargers, so you can easily get a seamless charging experience.