Top 10 Things to Know About Bluetooth Hearing Aids
Updated September 2026 · Dr. Jade Husby, Au.D.
Short Version
Bluetooth hearing aids stream calls, music and TV straight into your ears, and every current platform we fit supports it. The details that trip people up are how many devices you can connect at once, whether TV needs an accessory, and how much streaming costs you in battery. Auracast is the next step.
Almost every hearing aid we fit now connects to something, and that has quietly changed what a hearing aid is for. Bluetooth hearing aids are not only about hearing a conversation better, they are about a phone call that lands in both ears and a television nobody else has to turn up. The technology is mature enough that the interesting questions have moved from whether it works to how it behaves on an ordinary Tuesday. Here are the ten things patients most often wish someone had told them first.
If you would rather compare specific devices than learn the ground rules, our roundup of the best Bluetooth options we fit does that job.
1. Streaming Goes Into Both Ears at Once
The first thing people notice about Bluetooth hearing aids is not clarity, it is location. A phone call arrives in both ears rather than one, and your brain treats that very differently from a handset pressed against your cheek. Music does the same. Patients describe it as the sound being inside the room rather than at the side of their head.
Both current Phonak families handle calls in stereo through DuoPhone, so the caller hears you through the hearing aid microphones while you hear them in both ears. ReSound Sensia supports hands-free calls too.
2. Two Connections at Once Is the Real Limit
Pairing count and connection count are different numbers and people conflate them constantly. Phonak’s Audeo EON Sphere pairs with up to eight devices and holds two of them connected at the same time. Sensia holds two simultaneous connections as well.
What that means day to day:
- A phone and a laptop can both stay connected. A phone, a laptop and a tablet cannot.
- Connecting a third device silently drops one of the first two, which is the source of most “my hearing aids stopped working with my computer” calls.
- Pairing eight devices is fine. Expecting all eight to be live is not.
Decide which two devices matter most and we will set them up as the pair at your fitting.
3. Television Is Not Always Direct
This is the difference that surprises people most, because a television feels like it should behave like a phone. It does not. Starkey’s Omega AI 24 streams from a television directly. ReSound Sensia routes television sound through a small accessory that plugs into the set instead.
Neither approach is wrong, and the accessory route has an advantage worth knowing: it works with older televisions that have no useful Bluetooth of their own, which describes most sets in most living rooms. Ask us which route your television needs before you choose the platform.
4. Streaming Costs You Battery, and the Gap Is Wide
Manufacturers publish a headline battery figure and a streaming figure, and the second one is the honest number for anyone who takes calls all day.
| Device | Published battery | When streaming |
|---|---|---|
| Starkey Omega AI 24 | Up to 51 hours, 48 to 56 normal | Quick charge of 15 to 30 minutes covers a gap |
| Phonak Audeo EON Sphere and EON R | Up to 38 hours | Published as a single figure |
| ReSound Vivia and Nexia | Up to 30 hours | Published as a single figure |
| ReSound Sensia | Up to 24 hours, 16 to 24 normal | 12 to 24 hours |
Sensia is the platform that publishes the streaming range openly, and 12 hours at the bottom of it is a full waking day for most people. Read the second column if your phone is glued to your ear.
5. Auracast Changes Where You Can Hear, Not How Well
Bluetooth SIG describes Auracast broadcast audio as a new capability positioned to become an advanced assistive listening system, easier and cheaper for venues to deploy, with higher audio quality and greater privacy than what they use today. A venue broadcasts, your hearing aids receive, and the neck loop disappears.
Among the Bluetooth hearing aids we fit, Phonak’s EON Sphere and ReSound’s Sensia both support Auracast and LE Audio, ReSound Nexia carries Auracast, and Starkey’s Omega AI 24 is Auracast ready. Venue rollout is the limiting factor rather than the devices, and hearing aids stay in service long enough that buying without it is buying something that ages out.
6. Your Own Voice Will Sound Strange for a Week
Nobody warns people about this and it causes more early returns than any streaming problem. When a device sits in your ear and amplifies, your own voice arrives differently, and on a phone call it is more noticeable still. Starkey builds own voice processing into the Omega AI 24 specifically to address it.
What we tell patients at the fitting:
- Give it a full week before judging. The brain adapts faster than people expect.
- Tell us if it has not settled. This is adjustable, not something to endure.
- Vent size and dome choice both change it, and both are quick to alter.
Coming back for one small adjustment is normal and expected, not a sign anything went wrong.
7. Wind Ruins a Call Faster Than Noise Does
A restaurant is a solvable problem for current Bluetooth hearing aids, and wind across a microphone is harder, because it is not sound the device can classify, it is turbulence. Phonak’s EON R carries WindBlock 2.0 for this, and it is worth asking about if you walk, golf, or spend real time outdoors.
One habit helps regardless of platform. Turn slightly so the wind hits the back of your head rather than your ear, and the call usually recovers.
8. Tap Control Is Better Than the App for Most Things
Every current platform has a phone app, and most patients open it twice and then stop. A double tap on the ear answers a call or shifts a program without your phone leaving your pocket, and it is the control people keep using. EON Sphere and Sensia both support it.
Apps still matter for two things: setting up your streaming preferences at the start, and letting us adjust your devices remotely so you do not drive in for a small change. Remote care is available, and it saves a trip when the fix is a few decibels.
9. Bluetooth Does Not Solve Hearing Loss
This is the part manufacturers do not lead with. A pair of Bluetooth hearing aids is a pair of hearing aids first, and every streaming feature sits on top of amplification that either matches your hearing or does not. Program one to a generic curve and it streams beautifully while still leaving you to struggle in a restaurant.
What settles that is measurement rather than specification. We run a full hearing evaluation first, then use live speech mapping to confirm the device hits its target inside your ear canal. Roughly one in five people who would benefit from a hearing aid wears one, according to the National Institute on Deafness and Other Communication Disorders, and a feature list has never closed that gap. Fit and follow-up do.
10. Connectivity Is a Reason to Buy Locally
Streaming problems are rarely device faults. They are phone updates, a paired device that grabbed a connection slot, a router change, or a television setting nobody touched on purpose. Every one of those is a fifteen-minute fix in a chair and a miserable afternoon on a support line.
Common issues and what they usually turn out to be:
- Audio cutting out on one side. Phone in a back pocket, with your body between it and the device.
- Stopped connecting after a phone update. Unpair and repair. We do it while you wait.
- Television sound gone. The accessory lost power, or the set switched audio output.
- Call quality worse than music quality. Normal. Calls use a different, narrower connection than streamed audio.
We handle all of it in the chair, which is a fair argument for buying Bluetooth hearing aids from someone with a chair.
Which Platform Suits the Way You Connect
No brand wins across the board, and the sorting is usually quick once you say what you plug into.
- Best if you take calls all day. A platform with a published streaming figure and long battery, so you know what you are getting.
- Best if television is the main event. Starkey Omega AI 24 for direct streaming, or Sensia with its accessory if your set is older.
- Best if you are in venues, airports and theaters often. Auracast support, which most current platforms carry.
- Best if you work outdoors. Phonak EON R and its wind handling.
- Best if you use assistive microphones at work or school. Phonak EON R with RogerDirect.
Bring your phone to the appointment. We pair it, you listen, and the abstract comparison becomes a real one.
Why Choose Stanford Hearing and What to Do Next
We have been locally owned in Sioux Falls for 20-plus years, and we are a consistent Sioux Falls Local Best winner. We carry five premium hearing aid brands, Phonak, ReSound, Starkey, Unitron and Oticon, and recommend based on your hearing, your lifestyle, and the places you most want to hear well. There is no single best hearing aid, only the one that is best for you.
Free consultations come with no pressure to buy. Your first appointment is a complimentary assessment of your hearing and your needs, with no obligation. Every purchase includes a 10-day trial so you can wear your hearing aids in real life before you decide, and if they are not right for you, return them within the 10 days for a full refund. A price match guarantee means you will not overpay locally, and if a nearby clinic beats our price on a comparable device, we meet it. 12 months no-interest financing spreads the cost into monthly payments for qualifying patients, subject to credit approval. We are in-network with all major insurance providers, including Medicare Advantage, and we verify your benefits before your appointment so you know what is covered before you commit.
You will find us in Sioux Falls, South Dakota and Buffalo, Minnesota, and we serve surrounding communities across the region. Schedule a free consultation and bring the devices you want to connect to.
Your Questions About Bluetooth Hearing Aids, Answered
Do Bluetooth hearing aids work with both iPhone and Android?
The current platforms we fit do, and that was not true a few years ago. What still varies is which features carry across, particularly hands-free calling. Bring your own phone to your appointment at Stanford Hearing and we will pair it in the room rather than promising it will work and finding out later.
Will streaming drain the battery before the end of the day?
Not on the platforms we fit, though the margin varies. ReSound Sensia publishes 12 to 24 hours when streaming, and the Phonak Audeo EON families publish up to 38 hours. If you stream heavily, tell us at your fitting and we will steer you toward the devices with the most headroom rather than the newest release.
Can I connect my hearing aids to my TV?
Yes, by one of two routes. Starkey’s Omega AI 24 streams directly from a television, while ReSound Sensia uses a small accessory that plugs into the set, which often works better with older televisions. We will ask what television you own before recommending either.
What is Auracast and do I need it?
Auracast lets a venue broadcast audio your hearing aids receive directly, with no neck loop or borrowed receiver. Bluetooth SIG positions it as the next generation of assistive listening. Whether you need it depends on where you spend time, and it is worth having in a device you will wear for years. We will talk through your specific venues rather than selling you a spec.
Do Bluetooth hearing aids cause dizziness or headaches?
We have not seen it in our practice, and we will not make a medical claim in either direction from a blog post. If you feel dizzy after a new fitting, tell us, because the more likely cause is amplification your brain is still adjusting to, and that is something we can adjust. A sudden change in your hearing or balance is a reason to see a licensed medical professional.
My hearing aids stopped connecting. What now?
Come in. Nearly every connection problem we see is a phone update, a third device that took a connection slot, or a television setting, and all three are quick to sort in the chair. Stanford Hearing handles this as part of ongoing care rather than as a repair, and we would rather see you for fifteen minutes than have you fight a support line.