This compressed air duster is rechargeable and does not require disposable compressed air tanks. It only takes 2.5 hours to fully charge and provides up to 120 minutes of lasting use (low speed use time: 120 minutes, high speed use time: 15 minutes). Its long-lasting design greatly reduces the need for frequent replacement, making it both environmentally friendly and affordable. Note: Please use a 5V power adapter. This electric air duster not only provides powerful blowing capabilities, but also has a vacuum mode with a dust collection cup to prevent scattering. Note: Press 3 times after turning on the power button to switch to the vacuum cleaner mode. This 2-in-1 electric air duster has powerful blowing and vacuum functions, with speeds up to 11000RPM and wind speeds up to 45 meters per second. Whether it is stubborn dust or dirt in the gaps of the keyboard, it can be easily removed. The wind speed is strong and stepless, which can be adjusted by sliding the button. The dual-mode design makes it perfect for efficient cleaning , in the office or in the car. [Multi-function to suit various needs]In addition to cleaning keyboards, computer cases and cars, this air duster is also suitable for a variety of scenarios, such as outdoor picnics, fire extinguishing, clearing snow or leaves from the car, cleaning the ground, and cleaning pet hair. It is an effective tool for daily home and work, which can meet various cleaning needs., Weight: 0.70988848364 pounds, Manufacturer: Pomoflexi