Santé J-Tyle 2301A ring

5 reasons to choose

1. 24/7 real time heart rate tracker: 24/7 continuous heart rate monitor with J-Style 2301A smart health rings.
2. Track your daily activity: More than 54 sports modes to choose from.
3. Professional water resistance 5 ATM: For swimming, showering, snorkeling and rain.
4. High-precision blood oxygen sensor: track your oxygen levels throughout the day for healthier exercise, helping to improve endurance and breathing throughout your day and when using training equipment.
5. Body temperature, blood pressure, HRV and stress monitor: J-style smart rings can monitor user activity, start automatic measurements and sports data.