Circular · current · checked 2026-10-06
Circular Ring 2
Distinctive on paper, but separate marketing from regulatory clearance and independent performance.
Buyers wanting shareable ECG recordings from a younger platform.
Decision summary
Strengths
- ECG is unusual
- No subscription
- Lightweight claim
Limitations
- Details remain unclear
- Medical-adjacent marketing
- Mixed workout feedback
Cost
Ownership cost
Hardware plus the currently required plan, using the dated reference price. Tax, shipping, optional services and replacements are excluded.
No mandatory subscription for current core features.
Fit and hardware
What you wear
| Sizing | Phone-based digital sizing; verify returns. |
|---|---|
| Sizes | Digital sizing; production range not reliably stated |
| Weight | From 2 g claimed |
| Finishes | Silver, Black, Gold |
| Sensors | Optical sensing; Temperature; Accelerometer; ECG electrodes |
| Outputs | ECG recordings; Sleep; Energy and stress; Heart rate and HRV |
| GPS and routes | Built-in or phone-assisted GPS route support is not verified. Checked 2026-10-06. |
| Charging | Not sufficiently clear in reviewed source. |
| Water | Unknown |
| Strength training | Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk. |
Compatibility and data
App and account
Compatibility
iOS and Android; exact minimums not verified.
Platforms: Circular app
Data handling
An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.
Brand account required. Health-platform integration and export scope vary; verify the exact current app options.
Evidence
Sources and limits
Treat ECG interpretation and wellness outputs as non-diagnostic unless exact market clearance is shown.
- Circular Ring 2 ↗official · checked 2026-10-06
Price, material, ECG positioning and no subscription.
- Independent review ↗independent · checked 2026-10-06
Workout and feature limits.
Not medical advice. Consumer wellness signals cannot diagnose or exclude a condition. Discuss concerning symptoms or readings with a qualified clinician.