Koonie 15000mAh Cordless Air Duster & Vacuum 2 in 1, 77000RPM/11000PA, 2 Speeds, Electric Air Duster, for Computer/Keyboard, Car, Electronics

I mainly bought this piece for my photographic purpose since I am a wildlife photographer and work in dusty conditions. I was looking for a very compact, hand held, cordless vacuum cleaner to ward off the dust during interchanging of lenses in the field and fortunately, found this little piece. Now, I am very happy and satisfied that this piece of gadget does both the vacuum and blower and can also be used as a power bank to charge the molbile and has now found a permanent place in my camera bag. The regular rubber blower brush has now been removed from my gadget bag.!!??

No tiene la fuerza de un bote de aire comprimido, pero si la necesaria para remover polvo y terminar con algo de aire comprimido en bote

I, like a lot of people I'm sure, spent a lot of time searching for a wireless vac/blower/whatever to help with certain tasks. I dubiously settled with this one because of other people's reviews (and it would arrive the same day). Pros: 1. The battery life is quite good for what it is. 2. The blower/suck function has quite a lot of power for its size. 3. I haven't tried the power bank option but I have no doubt it will work well. Cons: 1. It's quite loud. 2. The blower nozzle isn't detachable (as far as I can tell) and feels like it could snap off if you look at it wrong. 3. The vac debris compartment isn't the biggest and the filter can be one blocked quite quickly. Overall, it's well worth buying IMO. The main body is quite sturdy and if/when the blower nozzle breaks, I'm sure something can be rigged up easily enough.

I use these mostly for work cleaning medical equipment, but it's nice to have one around the house as well. So much more useful than canned air. Although not as powerful in a single precision spot, they offer much more air over a general area and don't leave residue on glass lenses. I have no use for them as a vac, but in what little testing I did previously, they are not worth buying for the vac feature alone. I had 2 models of opolar brand previous to this. The biggest improvement the Koonie offers is the battery status gauge. This alone was worth buying a new one because I never knew how much longer the others would last so I was constantly charging them. Plus the larger battery capacity is a bonus. Uses a USB-C charger located on the side but note: it only works if the USB-C cord has USB-A on the other end (as provided). If your cord has USB-C on both ends, it will not work (many devices are like this and completely ruins the point of "universal" USB-C). At least the charger is on the side, unlike similar opolar which is on the bottom and always annoyed me why they would choose that. The Koonie is clearly more powerful than the original opolar (dark blue in picture). The difference isn't as noticeable with the newer opolar of similar design, but I do think the claim that it's more powerful is accurate. It wouldn't surprise me if it's 10 to 20% more powerful but that's hard to say without a more scientific method other than the way it feels on my hand. Another benefit to me personally is the slimmer profile at the base, as it fits into my tool bag pocket easier. The taller size doesn't bother me because it allows for the bigger battery capacity. In my use case, the fact that it can be taken apart and used as a power brick is pointless. Who doesn't have chargers and power bricks all over the house in 2022? Ha. I'd rather save money without that "feature". Otherwise, although too expensive, these are great devices to me and I can justify the cost in saved air cans and the huge annoyance of canned air only lasting about 20 seconds before getting so cold it's useless.

I use it to clean my computer and my keyboard and i love it. For light jobs it is exactly what i was looking for. Don't expect a super powerful blower or vacuum like electric one. Like i said very good for light jobs. And here is a tip ! After i clean my glasses with water and soap I just use the blower to dry up my glasses it take 5 seconds and done. Nice and clean and no stripes. Let see how long the battery will last. So far so good.

Suction is nothing to write home about, but the blowing is amazing, with the included attachment it will remove all dust, can be a bit noisy on the higher mode but that is a given, delivery was a week faster than expected and the battery life is pretty good would definitely recommend