The fan uses a brushless DC high-speed motor with a maximum output speed of 130,000 RPM, which can generate a super-strong wind speed of up to 52 meters Three gears adjustable Powerful, stable and durable, long-term long-load without burning the machine Widely used, suitable for a variety of scenarios Magnetic design, strong suction, stable adsorption without falling off Product name: High-speed turbofan Wind speed: 52 m/s 130,000 rpm Charging time: about 2.5 hours Charger: USB interface Gear adjustment: one-button start, three-speed adjustment Colour:Black Material:plastic Specification: A Package Contents: 1 x Turbo Jet Fan 1 x Air Nozzle 1 x Charging Cable 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.