The essentials of your health, effortlessly

Track your sleep , steps , physical activity , heart rate , and SpO₂ ( blood oxygen level ): your essential data becomes a simple daily benchmark . Regardless of the model, you keep the essentials at your fingertips to better understand your body and track your progress .

The R621 adds stress and cycle tracking, while the R635 integrates ECG/EKG .

Choose your ring and start taking care of yourself today.

Nordic chips: speed, stability, autonomy

Our R621 and R635 rings are powered by a Nordic chip , renowned for its stable Bluetooth connection and low power consumption . The result: a seamless everyday experience, reliable synchronization, and optimized battery life, without compromising on user comfort.