Very good100/100
- ohne Abo
- sehr lange Akkulaufzeit
- praktisches Ladetui
- erkennt Anzeichen für Schlafapnoe und Bluthochdruck
- Vibrationsmotor kaum oder selten zu spüren
- Ring kann beim Schlaf wegen LEDs stören
Offering an operating time of up to 14 days, the smart ring delivers comparatively high energy efficiency during daily use.
To track long-term vascular trends during sleep, the ring must first be calibrated using a traditional blood pressure monitor.
Health data synchronisation is supported via Bluetooth Low Energy for both iOS and Android smartphone systems.