Very good82/100

- many health values recorded
- free app
- High-quality processed
- good battery life
- No emergency call function
- few data interpretations
The smart ring continuously measures heart rate, sleep quality, blood oxygen levels, stress levels and temperature to assess fitness and well-being.
Synchronisation takes place via Bluetooth Low Energy and is limited to Android smartphones running the Samsung Health app.
Weighing just 2.4 grams, the metallic wearable feels exceptionally light on the finger.