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 tracks heart rate, sleep quality, blood oxygen, stress levels and temperature to assess fitness and wellbeing.
Synchronisation is handled via Bluetooth Low Energy and is limited to Android smartphones using the Samsung Health app.
Weighing just 2.4 g, this metallic wearable is exceptionally light to wear on your finger.