# Circular Ring 2: robot model

Canonical ID: `ba1b9900-2261-48c8-b48e-36c14970b3ff`

- **Slug:** circular-ring-2
- **Form factor:** biometric
- **Maturity stage:** commercial
- **Lifecycle:** active
- **Deployments registered:** 0

## Deployments

_No deployments registered for this model._

## Supply chain

_No verified supply relationships on file. Supply-chain coverage is being added across the registry; check back as the seed populates this model's suppliers._

_Suppliers appear when verified with at least two strong sources. Sources are append-only; corrections add new sources rather than rewrite history._

## Common questions

### What is Circular Ring 2?

The Circular Ring 2 is a smart ring that collects heart rate, HRV, SpO2, skin temperature, sleep stages, and activity metrics. Circular has not published a comprehensive privacy policy addressing how biometric health data is stored, encrypted, retained, sold, or shared. Sold at approximately $299.

### Who makes Circular Ring 2?

Circular Ring 2 is made by Circular, based in Paris, France, founded in 2019.

### Where is Circular Ring 2 deployed?

No verified deployments of Circular Ring 2 are currently on the DEPLOY registry. DEPLOY records deployments only when verified at a named site with a primary source; absence may reflect pre-deployment, research, or manufacturer-internal use.

### What is Circular Ring 2's maturity stage?

Circular Ring 2 is at the commercial stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Commercial stage means production-grade deployments are operating at named customer sites.


## Sources (1)

1. https://www.circular.xyz

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