Violent Turbo Fan 130000 RPM Handheld Brushless Motor Three-Speed Adjustment Industrial Duct Fan VioThree wind speeds can be adjusted at will: blowing water, blowing air, blowing dust, and supporting combustion. You can control the wind powerSuper long battery life. The first gear can be used for up to 3 hours. Built-in two 21700 lithium batteries with a battery capacity of 7.4V-4000mAh, which can last longer52m/s Super Strong Wind Brushless high-speed motor with a rotation speed of up to 130,000 rpm, which can generate a strong wind speed of up to 52m/s. Three-speed speed adjustment gives you a different experiencePowerful magnetic air nozzle click! It closes as soon as it is applied. Strong magnetic force, stable adsorption and will not fall offMulti-scenario use, pet drying, barbecue combustion, manual dust blowing, keyboard dust removal, camera dust blowingName: Violent Turbo FanWorking voltage: 6-8.4VBattery capacity: 4000mAHCharging time: 2.5hBattery life: 3hColour:Gray/BlackMaterial:ABSPackage Contents:1 x Violent Turbo Fan1 x Air Nozzle1 x Charging Cable1 x Chinese and English instruction manualOnly 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.