The most powerful electric dust blower for deep cleaning. The maximum speed of the compressed air spray is 90,000 rpm. With the most advanced brushless motor, high rotation speed, high performance, low noise and low energy consumption. The blow force 1.86-2.51 oz can generate super strong airflow, cleans debris and dust from any electronic device. Strong wind speed, easy cleaning, it will be your trusted compressed air spray.Windproof with 3 speed modes:dust blower has three levels of air speed (51000 RPM, 71000 RPM, 91000 RPM). Long press the switch for 3 seconds can turn the device on and off. A short press of the switch can be switched to three wind speeds for cleaning different devices, so that the dust cannot stay anywhere. Cleaning becomes a pleasure.LED lights and environmentally friendly and energy efficient: alternative to compressed air in cans, the compressed air spray can be recharged and used repeatedly. The LED lights allow you to easily clean dark corners, which brings great convenience for your cleaning. No liquid or ice forms during cleaning. It protects your electronics from liquids, making the Air Duster environmentally friendly and energy efficient.Multi-use and easy to carry: the air duster has 5 nozzles, 3 brushes for multi-scene cleaning. Thin and long nozzle makes it easier to clean corners or places where the hand cannot reach. Suitable for dust removal of computer cases, keyboards, cars, fans, lily windows, etc. The multifunctional nozzle is used to inflate swimming rings, yoga balls, air mattresses etc. Use the brushes for better cleaning.7500 mAh fast charging module: we have built a 7500 mAh fast and safe charging module into our compressed air spray, which can work for 40-60 minutes. The package comes with a Type-C charging cable and can be charged in just 4 hours. It can be charged with a computer, mobile charger, car charger or other adapters.Warm tips: the electric dust blower has a battery protection design. The temperature of the dust fan is too high, when the dust fan is just finished, please wait 10 minutes to cool down before charging. If you have any questions about using the product, please contact us, we will solve it for you within 24 hours.maximum speed of the compressed air spray is 90,000 rpmair speed (51000 RPM, 71000 RPM, 91000 RPM).7500 mAh fast charging modulepacking list:Compressed Air Spray Dust Blower*1nozzles*5brushes*3USB cable *1English instruction manual *1