Ring-Category Entrants
Enter the smart-ring category with a reference platform: ECG-related functionality, activity and sleep tracking in a familiar ring form.
ET Series · ECG + Bluetooth Calling
ET456 ECG Smart Ring with Charging Case
Model ET456
The ET456 is a ring-form wearable platform supplied with a charging case and listed in sizes 8 through 12. It is a compact reference option for brands exploring ring-based wellness products.
Reference Highlights
- Battery18 mAh · ring
- Main ChipNordic NRF52832 · listed
- SizesUS 8 – 12
- CaseCharging case included
Reference Configuration
ET456 Reference Configuration
Confirmed reference values for project evaluation. Parameters not yet verified are left out and confirmed during technical review.
| Model Number | ET456 |
|---|---|
| Form Factor | Smart ring with charging case |
| Main Chip | Nordic NRF52832 (as listed) |
| Battery | 18 mAh ring battery; charging case supplied |
| Sizes | Listed in sizes 8 through 12 |
OEM / ODM
Make the ET456 Your Own
Project-level customization options for this platform, subject to confirmation and order requirements. If the 25 standard models don’t cover your needs, contact us to discuss a custom configuration.
- Brand & Logo ApplicationOn the watch, strap, UI boot screen and packaging
- Language & LocalizationFirmware language packs and manual languages for your target market, subject to confirmation
- Packaging CustomizationRetail boxes, inserts and export carton options
- App & Firmware OptionsCompanion-app branding and firmware behaviour, subject to technical review
- Appearance OptionsCase colors and finish options for your private-label range
Use Cases
Who the ET456 Suits
Channels and project types this reference platform is typically evaluated for.
Compact Wellness Lines
Pair the ring with your watch line as a minimalist alternative for size-sensitive customers.
Importers & Distributors
A ring-form SKU that broadens a wellness portfolio beyond wrist wearables.
Documentation
Product Documentation
Documents are shared as digital copies after a brief business verification. Request them together with your quotation.
Product Datasheet
Full ET456 specification sheet for your evaluation.
Request DocumentUser Manual
Digital manual copies for the confirmed configuration.
Request DocumentCertification Documents
Applicable certificates for your destination market, where available.
Request DocumentTechnical Documentation
Additional engineering information for qualified projects.
Request DocumentFAQ
ET456 — Frequently Asked Questions
What sizes and accessories does the ET456 come with?
The listed configuration includes sizes 8 through 12, a supplied charging case, an 18 mAh ring battery and a Nordic NRF52832 main chip. Runtime figures depend on test conditions and are confirmed with your project documentation.
Is the ET456 a medical device?
No. The ET456 is a consumer wellness product. Health readings and algorithm-based estimates are for general wellness reference only and are not intended to diagnose, treat or prevent disease. Market-specific compliance statements are provided only with current, model-specific documentation.
What does the final configuration include?
The functions listed on this page are reference options for evaluation. Availability, compatibility, order quantity and target-market requirements are confirmed with our team during technical review, together with sampling schedule and pricing for your project.
Can we customize the ET456 for our brand?
Yes — branding and logo application, selected straps and colors, watch faces, language localization, packaging and app/firmware options can be tailored to your project, subject to confirmation and order requirements.
Keep Exploring
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Inquiry
Request OEM/ODM Quote
Tell us about your project — our team will reply with the confirmed ET456 configuration, documentation, sample arrangements and quotation.
Thank you for your inquiry!
We will reply within 24 hours. Please check your email for our response.
OEM/ODM reference platform. The configuration shown is for project evaluation. Features, specifications, colors and customization options depend on model capability and the final project configuration. Confirm availability, compatibility, order quantity and target-market requirements with our team.
This is a consumer wellness product, not a medical device. Health readings and algorithm-based estimates are for general wellness reference only and are not intended to diagnose, treat or prevent disease.