Audien · A simple starting point
Atom One
A rechargeable in-ear option for shoppers who want a lower entry price and straightforward everyday adjustments.
- Controls
- On-device adjustment
- Format
- In-ear
Manufacturer Fusion model; retailer packages may differ
Ceretone · OTC hearing aids
Ceretone Fusion hearing aids
An earbud-style in-ear Ceretone option with a multifunction button and rechargeable portable case.
Multifunction on-device button
Check the seller for the current price,
selected model and package terms.
Shop at Ceretone for Fusion (opens a new tab)selected model and package terms.
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Research checked Oct 25, 2026. Not a hands-on review.
Read the two power figures
Fusion at a charge
Manufacturer or seller maximums. Actual use and streaming can reduce runtime.
Compare these claims with your day ↗One device charge25 hours
Including case reserve100 hours total
Device charge 75 hours of case reserve
Device time + case reserve = total advertised power. The case total is not one uninterrupted charge.
Worth considering if…
You want device-based volume and program changes instead of touchscreen or app controls.
Keep this in mind
Fusion and Synvix are separate products. Do not assume Fusion has Synvix’s Bluetooth audio or touchscreen case.
The details that change the decision
Living with Fusion
One button for two tasks
The manufacturer identifies a multifunction button for volume and program changes. Learn the press sequence and audible confirmations before relying on it in a busy setting.
An earbud-like format
The in-ear body is shaped more like an earbud than a behind-ear hearing aid. It still needs the right ear tips and routine cleaning; appearance does not guarantee fit.
Charge time and reserve
The documented figures are roughly two hours to charge, up to 25 hours of device use and up to 100 including the case. Settings and use conditions affect runtime.
Put the features into your day
Two decisions before choosing Fusion
Editorial interpretation of the documented features, not a listening test.
If you like the earbud-shaped appearance
Appearance does not establish Bluetooth audio. Fusion’s recorded controls are on-device, and streaming is not established for this exact model. If phone calls and music are essential, compare the documented Synvix functions instead of assuming similar-looking earpieces share them.
Compare Fusion and Synvix →If you want a repeatable charging routine
The manufacturer record gives about two hours to charge, up to 25 hours of device use and 100 hours including the case. Keep those three measurements separate. The recorded package mentions a case and extra tips but is not a complete accessory inventory; confirm the power cable and other items with the seller.
Check the exact package and support →Exact model, clear facts
Fusion specifications
These details describe Ceretone Fusion — Manufacturer Fusion model; retailer packages may differ. A feature not confirmed here should be checked with the seller.
- Format
- In-the-ear / earbud-style
- Controls
- Multifunction on-device button
- Phone use
- No app required for documented everyday controls
- Streaming
- Not established for this exact model
- Stated battery use
- Up to 25 hours per charge / 100 hours including case
- Listening options
- 4 listening programs
- Product reference
- Ceretone Fusion manufacturer model
Included items to confirm
- Charging case
- Extra ear tips
Check the seller’s exact package. Accessories and support bundles may vary by channel.
Before choosing Fusion
- Compare physical and case controls
- Separate device runtime from case reserve
- Check the terms for your exact order
- Hearing aid controls: compare the tasks before buying
- Small hearing aids for small ear canals: check the fit
Compare the task you want to simplify, then confirm the exact model and seller terms.
Questions about Fusion
How are everyday settings changed?
The documented method is multifunction on-device button. Try the control sequence and confirmation sounds with the instructions.
How should I read the battery claim?
Up to 25 hours per charge / 100 hours including case. A case-inclusive total is reserve power, not uninterrupted use from one device charge. Actual use can differ.
Which exact version does this page cover?
This page covers the manufacturer’s Fusion model. Related names, earlier generations and retailer bundles may have different features.
Documentation: Product documentation ↗
Further reading: Manufacturer model information ↗. Product versions and seller terms can change.
A different approach
Alternatives to Fusion
- Audien Atom One: compare another brand with a similar control method.
- Audien Atom X: compare touchscreen charging case as a different adjustment method.
Audien · Control from the case
Atom X
An in-ear OTC model with a touchscreen control case, worth comparing if tiny on-device controls are inconvenient.
- Controls
- Touchscreen charging case
- Format
- In-ear
Ready for a closer look at Fusion?
Confirm the model, current price and return terms with the retailer.
Shop at Ceretone for Fusion (opens a new tab)
Affiliate link · We may earn a commission. Check the store for the current price and terms.
Some purchase links on this site may earn a commission. Direct links are labeled. How links work.