1.Rechargeable Battery:Builtin 2pcs 4000mAh large capacity lithium battery, efficient cleaning without interruption, with long endurance. Low heat generating, efficiency, and stable working performance. The cord operation and TypeC rechargeable design help save energy and cost, and further enhancing its usability and portability. 2.Exceptional Strong Wind Heat Dissipation:Stable operation, and providing dust removal effect. Capable of generating an impressive 52 meters per second wind velocity, the internal brushless motor can achieve speeds of up to 130000 RPM (revolutions per minute). The fan features welldesigned vents for active heat dissipation, effectively expelling hot air from enclosed spaces, prolonging operational lifespan, and protecting internal elements. 3.ThreeSpeed Flexibility:The 3speed adjustable function allows users to adjust airflow intensity according to specific needs, ensuring comfort and efficiency in various applications. Easy and convenient to operate, which greatly improves cleaning efficiency. No matter in what kind of environment, it can maintain stable work, and can be used in more applications. 4.Fine Craftsmanship Construction:The cordless handheld fan is fashionable and exquisite, compact and easy to carry. This fan is simple in design, reasonable in structure, and powerful in performance, customized for narrow spaces, with better utility and application scenarios.