{"id":"ba1b9900-2261-48c8-b48e-36c14970b3ff","companyId":"12203b54-33b0-45d7-9dd3-2d3380c1fdf5","modelName":"Circular Ring 2","slug":"circular-ring-2","description":"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.","formFactor":"biometric","maturityStage":"commercial","lifecycleState":"active","supersededByModelId":null,"specs":{},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.circular.xyz","mediaType":"article"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"keyFacts":[{"label":"Price","value":"approximately $299"},{"label":"Sensor suite","value":"heart rate, HRV, SpO2, skin temperature, sleep stages, and activity metrics"},{"label":"Privacy policy","value":"Circular has not published a comprehensive privacy policy addressing how biometric health data is stored, encrypted, retained, sold, or shared."}],"createdAt":"2026-06-17T16:59:10.423Z","updatedAt":"2026-06-28T17:00:32.031Z","jsonLd":{"@context":"https://schema.org","@type":"Product","@id":"https://registry.deploy.report/models/circular-ring-2","url":"https://registry.deploy.report/models/circular-ring-2","name":"Circular Ring 2","description":"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.","identifier":"ba1b9900-2261-48c8-b48e-36c14970b3ff","category":"biometric","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":"commercial","lifecycle_state":"active","architectural_position":{"cohort":"biometric","sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":1,"primary_source_types":[]}}}