You can't know whether a hearing aid works for you in a store. You find out over weeks, in your own life — which makes the return window the most important line in the deal.
Hearing aids are one of the few purchases where the terms of the sale matter nearly as much as the product. You cannot know whether a device works for you in a store; you find out in your own kitchen, your own car, and your own noisy restaurant, over several weeks. Which means the return window, not the spec sheet, is the single most important line in the deal.
Here is what to check, roughly in order of how much it can cost you to get wrong.
Start here, because everything else is recoverable and this isn't.
A common misreading: people assume federal rules guarantee a trial period. They don't. The FDA requires that over-the-counter hearing aid packaging disclose the seller's return policy — or the absence of one.[1] Disclosure is the requirement. A return window is not.
Trial periods for professionally fitted devices are frequently a matter of state law, and the terms vary. Connecticut, for example, requires hearing aids to be sold with a 30-day trial period, permits a cancellation fee of up to 12% on a return, and requires notice of these rights to appear in bold, capital, 12-point type near the signature line of every sales contract and receipt.[2] Rules of that kind are written around the hearing-aid dealer or audiologist; whether they reach an over-the-counter purchase from a general retailer is a question for your own state. Other states differ, and some have no such requirement.
What to establish before paying, in writing:
A 45-day window with a 10% fee is a materially different offer from a 30-day window with none, and the number on the price tag will not tell you which you are getting.
Adaptation takes time — your own voice, cutlery, and paper all sound wrong at first, and usually stop sounding wrong. Wear the devices in the situations that actually prompted the purchase, not just quiet rooms, and note the return deadline on a calendar the day they arrive. A trial period only protects you if you use it before it lapses. We cover what a fair first month looks like in getting used to hearing aids.
This phrase turns up constantly in hearing-aid marketing, and it is one of the most reliable signals that a claim is being dressed up.
Establishment registration is an administrative filing: firms that make or distribute devices tell the FDA who and where they are, and list their products. In the FDA's own words, “Registration and listing with FDA does not denote approval or clearance of the establishment or its devices,” and the agency has publicly called on firms to stop issuing the “FDA registration certificates” some companies wave around — noting flatly that “the FDA does not issue any type of device establishment registration certificate.”[3]
The vocabulary worth keeping straight:
None of this makes a registered product bad. It makes the phrase uninformative — and a seller leaning on it is telling you something about their marketing, not their engineering.
“FDA-registered” means a company filed paperwork. It is not a review, a rating, or an endorsement of anything.
A related trap: products that avoid the words “hearing aid” altogether. “Personal sound amplifiers,” “sound enhancers,” and the like are, in the FDA’s description, intended for people with normal hearing to amplify sound in particular situations, and are regulated as consumer electronics, not medical devices.[10] They share shelf space and search results with OTC hearing aids and are not the same thing. If the box does not say “hearing aid,” it isn’t one.
The FDA does not mandate a warranty on OTC hearing aids.[1] Terms are the manufacturer's to set, and they vary widely — one year is common, some premium devices offer two or three, and coverage for loss or damage is usually separate from coverage for defects.
Worth asking: how long is the warranty, does it cover loss and damage or only manufacturing defects, is there a deductible on a replacement, where does the device physically go for repair, and how long are you without it. That last question is the one people forget, and it is the one they feel.
Rechargeable models sit in a charging case overnight and typically run a full day. There is nothing small to handle, which matters a great deal if dexterity or eyesight is a factor. The trade-offs: you cannot swap in a fresh cell mid-day if you forget to charge, and the built-in cell degrades over years, which eventually becomes a service question rather than a shopping one.
Disposable zinc-air batteries are cheap, universally available, and instantly replaceable. They are also tiny, need changing every several days to a couple of weeks depending on size and use, and are an ongoing small cost and small chore.
Neither is better. Choose on hands and habits, not on the brochure.
Modern devices offer a long feature list. A short version of what tends to earn its place:
Features that photograph well and matter less to most buyers: fitness and step tracking, fall detection, and on-device translation. Not useless — just rarely the reason a hearing aid succeeds or fails for someone.
One more option that did not exist a few years ago: earbuds. Apple’s AirPods Pro 2 and 3 carry an FDA-authorized hearing-aid feature for adults with perceived mild to moderate loss,[7][11] and Samsung has announced FDA clearance for an equivalent on the Galaxy Buds3 Pro and Buds4 Pro, due in the fourth quarter of 2026.[9] For someone who already owns the earbuds, that is the cheapest way there is to find out whether amplification helps at all — with the retailer’s ordinary return window rather than a hearing-aid trial period.
Comfort determines whether devices get worn, and unworn devices help nobody. If you can try physical styles, do: behind-the-ear with a thin tube, in-the-canal, completely-in-canal. Dome size and shape affect both comfort and how “plugged” your own voice sounds. Most OTC devices ship with several dome sizes — try them all rather than assuming the pre-installed one is right.
This criterion was theoretical until 2026. In July, LXE Hearing — the company behind the Eargo, Lexie (including the Lexie B3 Powered by Bose), and Go Hearing brands — announced a wind-down of its U.S. operations. Customer support was guaranteed only through September 15; warranty administration after that date was described as not finalized; and owners were warned that the apps, while still downloadable, would not remain available indefinitely.[8] The devices keep amplifying. But for an app-fitted device, a dead app can mean a hearing aid you can no longer adjust.
Questions worth asking before you buy, especially from a newer brand:
None of this makes a young brand a bad buy. It makes the question part of the price.
None of that requires expertise. It requires asking, and writing the answers down. If you haven't yet settled which route suits you, start with the OTC versus prescription decision guide; if the question is what all this should cost, see what hearing aids cost and who pays.
General information, not medical advice. Hearing changes can have many causes — a licensed hearing professional or physician is the right person to evaluate yours. Talk to your doctor before changing any treatment or device you rely on.