Ultra Light Smart Ring for Women Men -2.5g Fitness Tracker Ring with Heart Rate Monitor, Blood Oxygen, Sleep Tracker, 10ATM Waterproof, Step tracker, 7 Day Battery Life ，iOS/Android Compatible

【Perfect Fit Guide】 Before buying the Milavan Smart Ring, check the ring size chart and measure your finger circumference for a comfortable fit. Avoid returns with our ring sizing kit and ring sizer measuring tool.
【24/7 Health Monitoring】 This slim fitness tracker ring tracks heart rate, blood oxygen, and blood pressure every 30 mins. Works as a heart monitor, sleep tracker, and health tracker ring for comprehensive wellness management.
【Advanced Sleep Analysis】 The smart sleep tracker ring monitors deep/light sleep, REM cycles, and wakefulness. Optimize rest with sleep tracking ring insights via the app.
【8 Sport Modes & Activity Tracking】 Automatically records steps, calories, distance, and heart rate during workouts like running, yoga, golf, and hiking. A step tracker, pedometer, and fitness tracker ring in one!
【Slim Design & Smart Features】 Ultra-thin 2mm smart ring with a polished inner surface for all-day comfort. Long battery life (3-5 days), remote camera control, and health data sharing make it the best smart ring for couples & families.