Handheld Brushless Turbo Fan with 19000 RPM High-Speed Drone Motor, Portable Super Strong Wind Cooling Fan, Requires 2x 21700 Battery (Not Included), for DIY/Drone/Camping/Outdoor

High-Performance Drone MotorPowered by a 2204 2300KV brushless drone motor with 3.5-inch 8-blade propeller, delivering powerful airflow (up to 19,000 RPM) while maintaining quiet operation - perfect for cooling and DIY projects.
Smart Digital ControlFeatures stepless speed adjustment (1-100 levels) with intelligent digital display for precise control. Easily switch between gentle breeze and turbo cooling with the rotary knob.
Convenient Detachable DesignRemovable fan cover for easy cleaning + replaceable battery system (21700 battery not included) for uninterrupted outdoor use. Quick-swap design enhances portability.
Advanced Integrated SystemBuilt-in PCBA smart control board with Type-C charging (15W input) - compatible with most phone chargers. Includes over-discharge protection that automatically shuts off when battery is low.
Important Notes Industrial-grade motor design produces louder operation noise than household fans (tested data: 35dB at 10-speed/59dB at 50-speed/74dB at 100-speed)