ZEFYR AURA · WELLBEING
A ring as light
as a breeze.
Zefyr Aura is the first smart ring by Zefyr SA. Worn on your finger, it captures heart rate, HRV, temperature, SpO₂, sleep stages, movement, and ECG — without ever asking for your attention.
Specs
- Material
- Aerospace‑grade titanium · hypoallergenic
- Weight
- Less than 4 grams
- Battery
- 5–7 days · USB‑C charging dock
- Water resistance
- 10 ATM · swim & shower friendly
- Sensors
- PPG · 3‑axis accelerometer · skin temperature · SpO₂ · ECG electrodes
- Compatibility
- iOS 14+ · Android 8.0+ · Apple Health & Health Connect