Vivtone · App settings and streaming
Xpure
A rechargeable receiver-in-canal option with phone-call and music streaming, app settings and physical controls.
- Controls
- App and on-device buttons
- Format
- Receiver-in-canal
Manufacturer Core One model; retailer packages may differ
Ceretone · OTC hearing aids
Ceretone Core One hearing aids
The original compact Core One uses an app for volume and sound settings. It is a different generation from Core One Pro.
Ceretone companion app
Check the seller for the current price,
selected model and package terms.
Shop at Ceretone for Core One (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
Core One at a charge
Manufacturer or seller maximums. Actual use and streaming can reduce runtime.
Compare these claims with your day ↗One device charge13 hours
Including case reserve78 hours total
Device charge 65 hours of case reserve
Device time + case reserve = total advertised power. The case total is not one uninterrupted charge.
Worth considering if…
You want a compact in-canal body and are comfortable making adjustments with a phone.
Keep this in mind
Core One Pro has different controls and battery claims. The original Core One’s app control does not establish calls or music streaming.
The details that change the decision
Living with Core One
Settings move to your phone
The Ceretone app is documented for volume and program changes. Confirm the current app and supported phone before ordering an older generation.
The original power figures
The manufacturer states 13 hours per charge and 78 including the case, with about two hours to recharge. Do not replace these with Core One Pro’s 20/80-hour figures.
Compare size with handling
The manufacturer describes a 0.96-gram body around 0.58 inches long. Small size may be discreet, but comfort and ease of removal depend on your ears and dexterity.
Put the features into your day
Two decisions before choosing Core One
Editorial interpretation of the documented features, not a listening test.
If you are choosing between Core One and Pro
The original Core One uses the Ceretone app for documented volume and program changes. Pro uses charging-case controls. Decide whether you want phone-based adjustments or a separate case, then compare the exact model rather than treating Pro as the same device with a longer battery.
Compare the two Core One generations →If you want an older compact model
The recorded dimensions and small weight describe the body, not a guarantee of comfort or easy removal. Confirm that the current app still supports your phone and ask for the exact manual. Keep the original 13-hour device / 78-hour case-inclusive figures separate from Pro’s 20/80 figures; app support does not establish streaming.
Check the current app and audio scope →Exact model, clear facts
Core One specifications
These details describe Ceretone Core One — Manufacturer Core One model; retailer packages may differ. A feature not confirmed here should be checked with the seller.
- Format
- Invisible-in-canal
- Controls
- Ceretone companion app
- Phone use
- Compatible iOS or Android phone for documented app controls
- Streaming
- Not established for this exact model
- Stated battery use
- Up to 13 hours per charge / 78 hours including case
- Listening options
- App listening programs
- Product reference
- Ceretone Core One manufacturer model
Included items to confirm
- Hearing aids
- Portable charging case
- USB-C charging cable
Check the seller’s exact package. Accessories and support bundles may vary by channel.
Before choosing Core One
- Check apps, calls and music separately
- Separate device runtime from case reserve
- Check the terms for your exact order
- Understand fitting versus app adjustments
- What are the disadvantages of Bluetooth hearing aids?
- 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 Core One
What should I check on my phone?
Compatible iOS or Android phone for documented app controls. Not established for this exact model. Confirm the current app and compatibility before buying.
How should I read the battery claim?
Up to 13 hours per charge / 78 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 Core One 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 Core One
- Vivtone Xpure: compare another brand with a similar control method.
- Audien Atom One: compare on-device adjustment as a different adjustment method.
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
Ready for a closer look at Core One?
Confirm the model, current price and return terms with the retailer.
Shop at Ceretone for Core One (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.