The JISULIFE bladeless handheld fan combines safety, design, and powerful cooling in one compact unit. Unlike traditional portable fans, this fan features a built-in turbine system that ensures no finger injuries and provides extra security for children, the elderly, or pets. Utilizing aircraft engine turbine technology and a multi-stage pressurized airflow system, it delivers a strong wind volume with internal air chambers and volutes, making it effective and efficient. Enjoy up to 18 hours of cooling on a full charge with the 4500mAh rechargeable Lithium-ion battery, which charges via USB-C in just 4 hours