【Powerful Electric Duster】 ATengeus Electric Air Duster has powerful cleaning function. The maximum speed of the super motor can reach 41000RPM. Equipped with nozzle and cleaning brushes to deeply clean tiny dust. It is suitable for cleaning computers, camera lenses, PS5, and air conditioners , Sofas, electronic equipment, medical equipment, etc. 【Stepless Knob Switch Design】 Air Duster has a stepless knob switch design. The power supply and speed control button are integrated. You only need to click the power switch once to work. Through the stepless speed control design, it can be operated with only one hand. Turn to the left to reduce the wind, and turn to the right to add the wind. The nozzle or cleaning brush can be replaced as needed. 【Rechargeable Air Duster】 Electric Air Duster has fast charging technology, equipped with Type-C USB charging port, fully charged (3H), after fully charged, it can work continuously for 15- 30 minutes, the use time depends on the blowing force. Which can be charged at any time through a laptop or mobile power supply. 【Cordless Air Duster】Handheld Cordless Air Duster is 3.4*7*2.4 inches, it weighs only 0.68 pounds. Light weight and small size, wireless design and ergonomically designed handle, comfortable to hold and space saving, convenient to carry around, very suitable for use cleaning at home, in the office or when traveling. 【Alternative to Compressed Air 】 Rechargeable Air Blower can be charged and reused, does not contain chemical substances, is energy-saving and environmentally. Unlike traditional "canned air precipitators", electric air duster are more comfortable/cost effective than constantly buying canned air.