[2-speed adjustable] There are two adjustable wind speeds, you can choose the appropriate speed to clean different things. Its motor allows the maximum speed to reach 36000 RPM. $Rechargeable electric air dust collectorBuilt-in 6000mAh large lithium battery, which can keep the dust collector running for a long time (according to the speed you choose, it can run for about 90 minutes at low speed and about 30 minutes at high speed). Type-c+10W fast charge, full charge in 3 hours, no need to worry about damage to the charging port due to reverse insertion. $[Vacuum Combo] This latest portable air cleaner has two modes of blowing and suction, and the cleaning function is more powerful and convenient. Use it to blow away dust and small debris from cars, homes or offices, and then suck them away. It is not only a powerful handheld vacuum cleaner, but also a blower vacuum cleaner. $[2 nozzles cleaning] Our cordless air dust collector has 2 nozzles, suitable for different applications. 1 brush head, cleaning more thoroughly (suitable for some difficult-to-clean dust). 1 round nozzle for blowing or sucking dust. When the computer and accessories have some stubborn dust, these nozzles can be used for faster and effective cleaning. $[One machine, multi-purpose, environmental protection] It is suitable for your computer, keyboard, laptop, copier, medical equipment, camera and other equipment that cannot be cleaned by traditional wipers or dust collectors. The alternative to compressed air is inexpensive and non-toxic. It is scientifically designed to keep it clean and environmentally friendly, so you can save money without having to buy canned air again.