Smart ring ios

2024, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, Temperature sensor, Built-in heart rate monitor, Pedometer, GPS, Sleep measurement, Blood oxygen

2025, 7, 8, 10, 25, Temperature sensor, Built-in heart rate monitor, Pedometer, Sleep measurement, Stress level, Heart Rate Variability, Blood oxygen

(3)

8, 2024, 2.9 mm, Temperature sensor, Built-in heart rate monitor, Pedometer, Sleep measurement, Stress level, Heart Rate Variability, Blood oxygen

14, 2023, 2.8 mm, Temperature sensor, Built-in heart rate monitor, Phone functionality (SIM card), Pedometer, Sleep measurement, Heart Rate Variability, Blood oxygen

2024, 2.8 mm, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 15, Temperature sensor, Built-in heart rate monitor, Sleep measurement, Stress level, Heart Rate Variability, Blood oxygen

2.7 mm, Built-in heart rate monitor, Sleep measurement, Blood oxygen

6, 8, 10, 12, Temperature sensor, Built-in heart rate monitor, Pedometer, Sleep measurement, Stress level, Heart Rate Variability

2.7 mm, 8, 9, 10, 11, Built-in heart rate monitor, Pedometer, Sleep measurement, Stress level, Heart Rate Variability, Blood oxygen

Pedometer, Sleep measurement, Blood pressure measurement

20, Temperature sensor, Sleep measurement

2021, 2.55 mm, 6, 7, 8, 9, 10, 11, 12, 13, Temperature sensor, Built-in heart rate monitor, Sleep measurement, ECG, Stress level, Heart Rate Variability, EDA, Blood oxygen

8, 10, 12, Built-in heart rate monitor

Pedometer, Sleep measurement, Blood pressure measurement

10, Pedometer, Sleep measurement, Blood pressure measurement

12, Pedometer, Sleep measurement