Feature: 1. Excellent Parts: The cordless handheld fan integrates high speed bearing, metal turbo, brushless motor, and manual winding motor, ensuring excellent durability and performance. Lightweight and portable, with a wide range of applications. 2. Efficient and Stable: The internal brushless motor can generate a wind speed of 52M/S, with a maximum speed of 14000RPM. The fan features 4 fin type ventilation openings, which actively dissipate heat and effectively expel hot air from enclosed spaces. 3. Stepless Adjustment: This fan supports stepless adjustment, allowing users to customize the airflow strength according to specific needs, ensuring high comfort and efficiency in various applications. Maintain stable work and greatly improve cleaning efficiency. 4. Battery and Indicator: Equipped with large capacity battery, for lasting endurance, has low heat generation, high efficiency, and stable performance. Cordless design and Type C charging help save energy and enhance practicality. Intuitive speed control with indicator light, charging and overheating guard. 5. Versatile Use: This dry blower is a multifunctional cleaning tool for home, car, and office, suitable for industrial dust blowing, keyboard cleaning, car and motorcycle cleaning, household crevice cleaning, barbecue combustion support, water and snow blowing, etc. Specification: Item Type: Super Fan Battery: Rechargeable Battery 4000mAH x 2 (built in) Charging Time: 2.5 Hours Theoretical Endurance Time: 4 Hours (1st Gear) Charging Interface: Type C Rotation Speed: 14000RPM Size: Approx. 150 x 58mm / 5.9 x 2.3in. Package List: 1 x Fan1 x Dust Cleaning Head 2 x Air Outlet Head 1 x Brush Head 1 x Air Outlet Pipe 1 x USB Cable 1 x Storage Box 1 x User Manual