This 21.5mm smart ring offers features that enhance your daily activity. You can use it for both walking and running, as it accurately records your related activities and provides you with statistics such as the kilometers you cover.

The ring features multiple sensors that monitor your health, including:

• Sleep Monitoring: Records your heart rate and breathing during the night, helping analyze potential sleep issues.
• Heart Rate Monitor: Tracks your heart activity in real time.
• Oximeter: Measures the amount of oxygen in your blood.

The ring is water-resistant with splash proof certification, so you don't have to worry during your daily activities. It is compatible with both Android and iOS devices, and connects via Bluetooth for easy use.

The choice of black color makes the ring discreet and elegant, ideal for any time of the day.