Smart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No Subscription Fee, Gold 8

Smart Ring for Women Men, Health Fitness Tracker Ring, IP68 Waterproof Rings, Sleep Ring with Charging Case and Ring Protector, Remote Photography, Family Care, No App Fees (Silver, 10#)

OURA

Ring 4 - Silver - Size 9 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life

Smart Ring for Women Men-Wearable Fitness Tracker with Sleep Tracking Heart Rate Blood Oxygen Healthy Monitor Ring Activity Monitoring Steps Calories

Smart Ring for Women&Men-Activity/Sleep/Heart Rate/HRV/Stress/Women's Health Tracker-IP68 Waterproof/Wearable-No Subscription Fee Required-Compatible with iPhone &Android (Gold, 10)

ULTRAHUMAN

Ring AIR-Smart Ring Health Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Made in India, Swatch Sizing Kit, Swatch Sizing Kit)

Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen for iPhone and Android, No Subscription Fee, IP68 Waterproof Health Tracker (Gold, 10)

RingConn

Gen 2 Air, Ultra-Thin AI Smart Ring, 10-Day Battery Life, Fitness/Sleep/Stress/HR Tracker for Women&Men, No App Fee for Standard Features, iOS & Android Compatible (Size 7, Galaxy Sliver)

OURA

Ring Gen3 Horizon - Silver - Size 11 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

Smart Ring Health Tracker, Sleep Tracker Ring with Heart Rate, Waterproof Fitness Ring for Activity Monitoring/Steps/Distance/Calories, Air Gestures, Up to 7-Day Battery, for iOS Android (Black,#11)

Smart Ring for Women Men - Fitness Tracker with Heart Rate/Blood Oxygen/Stress Monitor/Steps/Sleep Tracking, No App Subscription, 5ATM Waterproof Health Rings

RingConn

Gen 2, World’s First Smart Ring with Sleep Apnea Monitoring, No APP Subscription, 12-Day Battery Life, Stress/Heart Rate/Women's Health Tracker, Android & iOS Compatible (Silver, Size 8)

Smart Health Rings for Women Men, Fitness Tracker with Heart Rate, Blood Oxygen, HRV, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iphone & Android (Gold 11#)

Smart Ring Health Tracker for Women & Men - IP68 Waterproof Fitness Rings with LED Screen, Heart Rate/Blood Oxygen/Sleep Monitoring/Motion Tracking, No Subscription Fee

Smart Ring Fitness Tracker Sleep Tracking Heart Rate Monitor Pedometer, Waterproof Activity Tracker Fitness Ring Steps Counter, Gesture Controls for Short Video, 8 Days Last, Black, #9