- It blows pretty strong
Fully charged the item is 102000 rpms but 90000 rpms is the actual operating speed which is more than enough to get the job done. With the small attachment it's stronger than a brand-new can of compressed air. Do the math, 6 uses and it pays for itself. The vacuum is very strong also with great suction. It cleaned out more dust from underneath my keyboard keys than I even thought was there. The price is comparable to other brands at the 90000 rpm speeds without a battery gauge. It does exactly as expected. Charges to a full charge in about 3 hours. After the initial charge it takes about 15 minutes to top it off from 85% to 100% again. Which is the same amount of Time I ran it for. 15 minutes to clean my whole desktop computer and keyboard. It works that good.
Blows well while attaching the two different blowing wands to the back side (red) fan side. Sucks as a vacuum cleaner for couches, hard to reach indoor car corners, or cleaning a tablecloth. Use brush head for sucking cloth.
This is more powerful than canned air - and this doesn't lose power as it is used. You can do as many computers as you want though your arm may get tired as this thing is not a lightweight and you'll need to clean the filter. I've now cleaned 6 computers with this (one of them twice) and I'm so happy that I finally broke down and got this.