Silence, it turns out, comes in a case and needs charging

Walt had the earbuds in for about forty seconds when the refrigerator died.

At least that's what he figured. One moment the kitchen had its usual hum, the one that's lived there since 1998 like a cousin who never moved out. The next moment, nothing. So he did what a man who's fixed everything he ever owned does. He got the flashlight, unplugged the fridge, walked it out from the wall and got down on one knee to look at the compressor.

That's where June found him. She tapped his shoulder and he jumped high enough to clear a bar stool, because he hadn't heard her come in. He hadn't heard anything.

"It's the earbuds, Walt." She held up the box. "Noise canceling. Says so right on the front."

The fridge was fine. He vacuumed the coils anyway, since he was back there. And yes, he'd unplugged it first. Always unplug a refrigerator before you clean the coils.

What it says it does

Tiny microphones on the outside of each bud listen to the sound around you. A chip builds the mirror image of that sound wave and plays it through the speaker, and the two cancel each other out before they reach your eardrum. That's active noise cancellation, or ANC.

It's best at steady, low, droning sound. Jet engines. The furnace. Highway rumble. A twenty-five-year-old refrigerator. It's much weaker against sudden or high-pitched noise like voices, a dog barking or a pan hitting the floor.

The other half of the job is plain old blocking. The silicone tip seals your ear canal, and a bad seal undoes most of the electronics. That's why the box comes with several tip sizes, and why that little plastic bag of spares matters more than the manual.

Most models also have a transparency or ambient mode, which uses the same microphones to pipe the outside world back in so you can hear the cashier without pulling a bud out. The buds recharge inside a pocket-size case, and many are run through a phone app that handles settings and firmware updates.

What Grandpa thinks it does

Walt's working theory is that there's a very small librarian in each ear, shushing everything backwards.

He's not far off. This annoys him.

What he can't get over is the business model. He paid for silence. In his day silence was free, and you got it by walking out to the garage and shutting the door. Now it comes in a little white case that looks like dental floss, and it has to be charged every night like a toddler going down for a nap.

"I own a pickup, a table saw and a Craftsman socket set older than my son," he says. "The only thing in this house that needs to be put to bed is the quiet."

Transparency mode, he believes, is a magic trick played on him personally. Squeeze the stem and the world comes back. Squeeze again and it leaves. He spent most of a Saturday doing this at the neighbor's leaf blower, like a man flicking a light switch to see if the bulb still works. His verdict: the earbuds don't erase a leaf blower. They turn it into a polite leaf blower.

He's also convinced the case is mints. He's been wrong about this twice.

Where he has a point

The battery is sealed in. Earbuds run on tiny lithium-ion cells that lose capacity with age and charging, and on most models you can't swap them. When the battery gets tired, the earbuds are often done. His wired headphones from the eighties have never needed a charge in their life. Before you buy, check whether the maker offers battery service and what it costs.

One bud goes missing. They're small and they love couch cushions, car seats and storm drains. Some makers sell a single replacement bud or a replacement case. Others don't. Find out before you need to.

The app wants things. Some features only work through the app, and some apps want an account. Read the permissions, switch off what you don't need, and if you're creating yet another login, it's a good night to lock down every account you own. The microphones have to stay on for ANC to work, so read the privacy settings around voice assistants too.

The pressure feeling. Some people feel a stuffy, airplane-descending sensation with ANC on. Plenty get used to it. Some never do, which is a good reason to buy somewhere with a generous return window.

They aren't hearing protection. Unless the package lists a Noise Reduction Rating (NRR), consumer earbuds aren't rated to protect your hearing. For a chainsaw, a table saw, a mower or the range, wear earmuffs or plugs with an NRR. And don't crank music to drown out a loud machine. Noise-induced hearing loss is permanent.

Not while driving. Don't wear noise canceling earbuds behind the wheel or on a bike in traffic. You need to hear sirens, horns and the guy yelling that your tailgate's open. Some states restrict earbuds while driving, so check your state's law. Walking near traffic, switch to transparency mode.

Where he is wrong

Walt flew to see his granddaughter in March. With ANC on, the cabin roar dropped to a low hum, and he got off the plane without that wrung-out, ringing feeling. He's admitted this in front of witnesses.

The bigger win is quieter. When you aren't fighting background noise, you turn the volume down. That's the real health argument for these things. Most phones also have settings that cap headphone volume and show how loud you've been listening, and both are worth five minutes of your evening.

Transparency mode means he can wear them on a walk and still hear June say hello. She points out this is an improvement over the kitchen incident, and she's right.

On many models, the microphones also make phone calls clearer on a windy porch than holding the phone to your ear.

And at least one major maker's earbuds now include an FDA-authorized hearing aid feature for people with mild to moderate hearing loss. That doesn't replace a proper hearing test. If you've been asking people to repeat themselves, see an audiologist first, then decide what to put in your ears.

Mostly, though, Walt likes the porch. Paperback, coffee, no highway hum. He calls it "the garage, but portable."

The verdict

Worth it, with conditions.

They're for fliers, commuters, people who work in a loud office and anyone who reads in a house with a furnace that sounds like a freight train. If you only listen at home in a quiet room, a wired pair or a basic set of earbuds does the job and never needs a charger. For matching the pair to how you actually live, see buy headphones for your week, not for the review scores.

Check the current price, and listen for yourself before you assume the flagship is worth roughly double the mid-tier. Then check three things:

1. Fit and returns. Try every tip size that comes in the box. Buy where you can return them after a week of real use, not just an afternoon.
2. Battery and parts. Ask whether the maker replaces batteries or sells single buds and cases. Read the actual warranty document: how long it lasts, what's covered, what voids it, who pays shipping and whether you have to register.
3. The app. Find out whether the earbuds work without an account, what the app collects and whether firmware updates require it.

Walt still keeps a pair of foam earplugs in his shirt pocket. They came out of a jar at the hardware store and they've never once needed charging. But the earbuds live on the porch now, and the refrigerator, for the record, has never been cleaner.