Features: 1.Convenient design, easy to carry in storage 2.This mini turbo fan is made of super high quality imported high-speed bearings, brand new CNC metal turbine, brushless motor and hand-wound motor 3. Four speeds: you can choose freely according to your needs, or long press to reach the maximum speed of 160,000rpm/m in violent mode. 4. Ultra-high endurance: the product built-in 10000mAh lithium battery ultra-high endurance use 5. Wide range of uses: air cushion blowing suction, computer equipment cleaning, industrial dust blowing, charcoal burning combustion, automotive snow blowing, studio shooting wind, pet drying, etc. Parameters: Product name: F16 violent fan Product material: ABS Duration: 10-75 minutes Battery capacity: 10000mAh Charging interface: Type-C Maximum power: 200W Maximum speed: 160000rpm/m Maximum airflow: 60m/s Product color: black Fan instructions for use: 1. Double-click the button to start using, click the button three-block cycle speed (50,000, 100,000, 130,000,) long press the button to turn off the machine 2. Long press the button to start the mad king violence 160000RPM, release the button to shut down! 3.. Charging LED light is always on, full LED light does not light. 4. Power level use time: Mode 1: 50000rpm/m without stopping the use of time is: 75 minutes Mode 2: 160,000rpm/m without stopping the use of time for: 40 minutes Mode 3: 130,000rpm/m without stopping for 20 minutes. Violent mode: 160,000rpm/m without stopping for 12 minutes. Package Includes: Fan*1 Instruction manual *1 Nozzle*1 Type-C charging cable *1