3 Mode Adjustments- Max speed is 90000RPM. Our Compressed air duster has 3 strong airflow modes (50000RPM/70000RPM/90000RPM) to adjust the speed to meet your needs in different occasions. Three airflow modes are suitable for different devices cleaning, which is practical and simple. Rotary Air Outlet Design- Our air duster has a rotating air outlet, it can freely rotate within a range of 120, thereby freeing your hands and improving cleaning efficiency; A storage bag is included, which can be put into the storage bag with a simple rotation, widely used and easy to carry. Fast Charging- Come with a Type-C charging cable for fast charging, and air duster has a built-in large capacity 7500mAh battery and allow this duster to run nearly 25-40 minutes continuously. Shortening the charging time to 4 hours. The usability can be highly increased. Eco-Friendly & Energy-Efficient- Less energy consumption, longer life and noise relief while maintaining strong power. Cleaning will becom