Key Featuresmifier MF500 Fan Mini- 223g Lightweight and Portable- 40,000 rpm min- 13h Battery Life 3300mahMF500 Fan Mini- 223g Lightweight and Portable and has a size of 133*40*128mm.- 100,000RPM Max Work efficiently: Powerful wind speed and the rotating speed can reach to 101,000RPM.- Smaller Nozzle producing Powerful Airflow: Winds as powerful as compressed air can burst from Smaller Nozzle- Long battery Life: Use for 4.5h. Use the TYPE-C to charge.- Adjustable Speed by press the Button: You can easily switch the wind speed to instantly reach the wind speed you wantMulti-purpose machine: MF500 Fan Mini can be used alone as a mini fan to inflate and deflate balloons, dry objects, cool down, etc. The MF500 Fan Mini can also be used as an air duster blower, for cleaning hard-to-reach areas, such as PCs, keyboards, crevices of furniture, car interiors, electronic equipment, etc.Environmental protection and energy saving, high-cost performance: Compared with disposable compressed gas duster, MF500 Fan Mini electronic duster blower can be recharged and reused, and the gas is colorless, non-toxic, liquid-free, and chemical-free. Once you own a MF500 Fan Mini, there is no need to purchase multiple cans of disposable compressed air duster.Super strong wind power, infinitely variable speed: MF500 Fan Mini uses a brush less DC motor with a maximum output speed of 100,000 RPM, which can generate a wind speed of up to 20 meters per second, which is almost double that of the first generation. The turbofan adopts a step less speed regulation design, and you can adjust the most suitable wind force.New upgrade, increased practicability: MF500 Fan Mini has added a smaller diameter nozzle accessory, the wind of the turbo fan is more concentrated, and it is easier to clean the dust in small gaps. The capacity of the turbofan battery has been upgraded again, and it can be used continuously for up to 4.5 hours.Lightweight, portable, exquisite and durable: MF500 Fan Mini weighs only 223g, takes up little space, and is very convenient to carry it out. The whole body adopts the combined design of aviation aluminum material and metal sandblasting process, which has a delicate hand feel and is not easy to scratch.Matte Metal Crafted BodyExquisite metal and T-shaped design feels great in the handCompact Size and Powerful, Easy to CarryWeights only 223g, Mini size and powerful windAdjustable Speed by Sliding the ButtonYou can easily switch the wind speed to instantly reach the wind speed you wantSmaller Nozzle producing Powerful AirflowWinds as powerful as compressed air can burst from Smaller NozzleButton IntroductionPower Button: Long press: power on / off;Single tap: enter standby mode, tap again to restart Speed control button: Slide the speed control button to adjust the wind speed.