Ultimate Cooling Experience JISULIFE handheld turbo fan adopts an advanced 9-blade design and is paired with a high-speed three-phase brushless motor to provide a maximum wind speed of up to 10m/s. Maximum 40000 RPM, four times that of ordinary handheld fans, perfect for relieving the heat on hot journeys Super Long Battery Life USB rechargeable fan is designed with users' needs in mind and can provide up to 22 hours of battery life. Battery fan is compatible with regular USB ports, laptops, portable power banks, and car chargers, so you can easily get a seamless charging experience. No more anxiety about battery life
