Unverified50% confidenceFactExact time
The Fitbit Edge is equipped with an optical heart rate sensor, supporting all-day heart rate monitoring and exercise heart rate zone alerts.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/26/2026
First Seen
Valid until: 1/24/2027
Sources
Related Entities
Related Claims
UnverifiedThe Fitbit Edge is positioned between the Fitbit Air and the Pixel Watch 5.69% similarUnverifiedApple Watch uses a photoplethysmography (PPG) sensor to monitor heart rate, illuminating the subcutaneous capillaries of the wrist with green LED light and calculating real-time heart rate by leveraging hemoglobin's absorption characteristics of green light.62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1100099API
curl https://kongchang.com/api/v1/knowledge/claims/1100099MCP
get_claim(id=1100099)