I wasted years buying compressed air cans—this $20 electric duster changed everything


Disposable compressed air dusters are an essential part of the desktop toolkit, as they provide an easy, efficient, and effortless way to clean your computer and everything around it. However, they come with one major downside—they are a one-and-done deal. Once you run out of gas, you need to buy a new can.

Electric dusters aim to solve this problem by using a small, battery-powered fan to move air instead, and a quick recharge is all you need to keep the cleaning going. I always thought these cheap gadgets were a scam, but after trying one myself, I quickly realized I had been wasting money on disposable cans the whole time.

Canned air is expensive and runs out way too fast

Convenience comes at a cost

Canned air isn’t all that expensive, which is why it’s such a popular tool for dusting your PC to begin with. A single 10-ounce can is enough to dust your PC three to five times, more if you’re light on the trigger and only need it for regular maintenance dusting. You can buy a 10-ounce can for around $10 or get a pack of two for just $13, and it’s enough to last you a year or two.

However, you’ll have to replenish your stock eventually, and the costs add up, especially if you have multiple machines to take care of. Buying in bulk gets you a six-pack for around $28, but at that point, you could have just bought a cheap electric duster instead. And once you’ve gone through all the cans, you’ll have to order a new batch. The cycle repeats.

The drawbacks of cans don’t end there, though. They gradually lose pressure as you use them, which hampers their effectiveness at blowing dust away as the can empties. And if you’re like me, you’re constantly balancing between dusting your stuff and using the finite amount of pressurized air carefully so that it lasts you longer.

Dusty cooling fans inside a PC tower


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An inexpensive electric duster works better than you’d think

Amazing performance given the tool’s size and price

Disposable cans are an appealing product, especially when you catch them on sale. You might only ever need one can to finish cleaning out your PC once, so it’s easy to grab one for a few bucks and call it a day.

However, a cheap electric duster is actually a much wiser investment if you really think about it. The rechargeable batteries, fans, and electronics that make up the duster can last many years before it’s time to replace the gadget.

I held off on purchasing one because I honestly didn’t believe in their effectiveness, but now that I finally own one, I regret not making the purchase sooner.

The specific model I bought is the “KBL-18” from Temu, and while it normally costs $20, I actually got it for free through one of the platform’s promotions.

I wasn’t expecting much given the (free) price point, but the second I turned it on, I was literally blown away by how powerful it was. It’s more than powerful enough to clean the dust inside my PC and around my desk, but it’s not so strong that it’s going to break anything, either. Much like canned air, the amount of air it moves is just right.

The battery doesn’t last long on the highest speed; I can literally watch it drain by around 1% every seven to eight seconds. Still, this is the type of gadget you only need to use for a few seconds to a few minutes, so it can easily last a couple of weeks of daily use around the desk before it needs a recharge.

The duster came with three different nozzles that subtly adjust how the air is directed, though I mostly use the narrow circular one because it’s good enough for general day-to-day dusting.

You don’t have to get the same model I did, though; there is a wide variety of battery-powered electric dusters on the market that you can find on Amazon, Walmart, Best Buy, and various other retailers.

Most are in the $15 to $40 range, so the cheapest ones like mine barely cost more than a couple of cans of compressed air. The important part is the integrated battery, which charges via a standard USB-C cable, so you can finally stop buying new cans.

One tool for every surface

Desk setup with monitors, TV, and pegboard (1) Credit: Ismar Hrnjicevic / How-To Geek

The best part of having what feels like an unlimited supply of compressed air is that I can use it whenever I want, not just when I’m deep-cleaning my PC. I no longer have the guilt of “wasting” precious canned air, since I can just recharge the electric duster and keep going.

Now I freely use it to clean my keyboard, mouse, PC case, mousepad, and the rest of my desk on a daily basis. It does a pretty great job at getting rid of dust particles, random lint, and cat hair in just a few short seconds by holding the turbo button.

Of course, the use cases for an electric duster can go well beyond the desk. It’s great at blowing loose dust away from pretty much any surface, like behind the fridge and underneath the bed. You can also use it to dust out all kinds of air filters, your car dash, blow up inflatable toys, and, perhaps my favorite use case, helping start fires for a barbecue.

I didn’t expect to use it this often

The duster has definitely earned its place at my desk

Although I originally got the electric duster just to clean my PC, it has quickly become something that I use for a lot more than that every single day. From regularly dusting my mechanical keyboards to quick cleanups across my desk, I find myself reaching for it several times throughout the day without even thinking about it.

A desk setup featuring a MacBook Pro and a 32-inch 4K monitor with a split keyboard and mouse on the desk.


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Recent Reviews


The Samsung Keyboard supports glide typing, voice dictation, multiple languages, and deep customization through Good Lock. On paper, it’s a very capable and perfectly functional keyboard. However, it’s only when I started using it that I realized great features don’t necessarily translate to a great user experience. Here’s every problem I faced with the Samsung Keyboard, and why I’m permanently sticking with Gboard as my main Android keyboard.

I have been using Gboard and the Samsung Keyboard on a recently bought Galaxy S24, which I got at a massive discount.

Google’s voice typing doesn’t cut me off mid-sentence

Fewer corrections, fewer cutoffs, faster dictation

I might be a professional writer, but I hate typing—whether it’s on a physical keyboard or a virtual one. I type slower than I think, which I suspect is true for most people. That becomes a problem when I have multiple ideas in my head and need to get them down fast. It’s happened far too often: I start typing one idea and forget the other. Since jacking my brain into a computer isn’t an option (yet), I’ve been leaning more and more on voice typing as the fastest way to capture my thoughts.

Now, both Samsung Keyboard and Gboard support voice typing, but I’ve noticed that Gboard with Google’s voice engine is just better at transcription accuracy. It picks up on accents flawlessly and manages to output the right words. In my experience, it also seems to have a more up-to-date dictionary. When I mention a proper noun—something recently trending like a video game or a movie name—Samsung’s voice typing fails to catch it, but Google nails it.

That said, you can choose Google as your preferred voice typing engine inside Samsung Keyboard, but it’s a buggy experience. I’ve noticed that the transcription gets cut off while I’m in the middle of talking—even when I haven’t taken a long pause. This can be a real problem when I’m transcribing hands-free.

Gboard offers a more accurate glide typing experience

Google accurately maps my swipe gestures to the right words

Voice typing isn’t always possible, especially when you’re in a crowded place and want to be respectful (or secretive). At times like these, I settle for glide (or swipe) typing. It’s generally much faster than tapping on the keyboard—provided the prediction engine maps your gestures to the right word. If it doesn’t, you have to delete that word, draw that gesture again, or worse—type it out manually.

Now, both Samsung Keyboard and Gboard support glide typing, but I’ve noticed Gboard is far more accurate. That said, when I researched this online, I found a 50-50 divide—some people say Gboard is more accurate, others say Samsung is. I do have a theory on why this happens.

Before my Galaxy S24, I used a Pixel 6a, before that a Xiaomi, and before that a Nokia 6.1 Plus. All of my past smartphones came with Gboard by default. I believe Gboard learned my typing patterns over time—what word correlates to what gesture, which corrections I accept, and which ones I reject. After a decade of building up that prediction model, Gboard knows what I mean when my thumb traces a particular shape. Samsung Keyboard, on the other hand, is starting from zero on this Galaxy S24—leading to all the prediction errors. At least that’s my working theory.

There’s also the argument for muscle memory. While glide typing, you need to hit all the correct keycaps for the prediction engine to work. If you’re even off by a slight amount, the prediction model might think you meant to hit “S” instead of “W.” Now, because of my years of typing on Gboard, it’s likely that my muscle memory is optimized for its specific layout and has trouble adapting to Samsung’s.

Swiping vs typing.


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I mix three languages in one message, and Gboard just gets it

Predictive multilingual typing doesn’t get any better than this

I’m trilingual—I speak English, Hindi, and Bengali. When I’m messaging my friends and family, we’re basically code-mixing—jumping between languages in the same sentence using the Latin alphabet. Now, my friends and I have noticed that Gboard handles code-mixing much more seamlessly than Samsung Keyboard.

If you just have the English dictionary enabled, neither keyboard can guess that you’re trying to transliterate a different language into English. It’ll always try to autocorrect everything, which breaks the flow. The only way to fix this is by downloading a transliteration dictionary like Hinglish (Hindi + English) or Bangla (Latin). Both Samsung Keyboard and Gboard support these dictionaries, but the problem with Samsung Keyboard is that it can only use one dictionary at a time.

Let’s say I’m writing something in Latinized Bangla and suddenly drop a Hindi phrase. Samsung Keyboard will attempt to autocorrect those Hindi words. Gboard is more context-aware. Since my Hinglish keyboard is already installed, I don’t have to manually switch to it. Gboard can detect that I’m using a Hindi word even with the English or Bangla keyboard enabled, and it won’t try to autocorrect what I’m writing. This also works flawlessly with glide typing, which is a huge quality-of-life improvement over Samsung Keyboard.

This isn’t just an India-specific thing either. Code-mixing is how billions of people type every day—Spanglish in the US, Taglish in the Philippines, Franglais across parts of Europe and Africa.

Gboard looks good without me spending an hour on it

I don’t have time for manual customization

Samsung Keyboard is hands down the more customizable option, especially if you combine it with the Keys Cafe module inside Good Lock. You get granular control over almost every aspect of the keyboard—key colors, keycaps, gesture animations, and a whole lot more. While for some users, this is heaven, I just find it too overcomplicated and a massive time sink.

I don’t have the patience to sit and adjust every visual detail of my keyboard. Sure, it gets stale after a while, and you’d want to freshen it up, but I don’t want to spend the better part of an hour tweaking a virtual keyboard. This is where Gboard wins (at least for me) by doing less.

Android 16 brings Material 3 Expressive, which automatically themes your system apps using your wallpaper’s color scheme. With Gboard, all you have to do is change the wallpaper, and the keyboard updates to match—no Good Lock, no manual color picking. It’s a cleaner, more seamless way to keep your phone looking good without putting in the extra legwork.


The keyboard you don’t think about is the one that’s working

I didn’t switch to Gboard because Samsung Keyboard was broken. I switched because Gboard made typing feel effortless. If you’re a Samsung user who’s never tried it, it’s a free download and a five-second switch. You might not go back either.

Pixel 7 with the 8vim keyboard.


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