Activity Tracker Ring for Men – Smart Ring with Heart
Activity Tracker Ring for Men – Smart Ring with Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Step & Calorie Counter, 5ATM Waterproof, No Subscription Fee (Black, 8) 【All-Day Health Monitoring】: Stay on top of your wellness with the Anarow smart ring track heart rate, blood pressure, and SpO2 in real time; monitor deep sleep, light sleep, and REM cycles for...