2026 Smart Ring, Fitness Trackers for Women, Smart Jewelry Health Rings | 80M Waterproof Fitness Ring, No App Fee, Sleep Monitor, Heart Rate & Step Tracking, iOS/Android Compatible(Silver,11)

Key features

• [Real-Time & All-Day Health Tracking] This smart ring for women and men tracks heart rate, HRV, sleep, stress, blood oxygen, and daily activity. Wear this sleep tracker ring continuously to follow your wellness trends, and view your health data anytime through the free app with no required monthly subscription fee
• [Size Before You Buy] Before purchasing the AutrefoisElf smart ring, we strongly recommend using our sizing kit or measuring your finger according to the size chart to find the right fit. The correct size provides better comfort, more accurate tracking, and helps avoid unnecessary returns or exchanges
• [Upgraded Gen3P Chip & Automatic Monitoring] The upgraded Gen3P chip combines optical sensors and a high-precision accelerometer. This fitness ring automatically measures heart rate every 30 minutes and tracks blood oxygen and stress every hour for continuous all-day health tracking
• [Long Battery Life & Dual Charging] A full 60-minute charge powers this smart ring for 3–5 days of regular use and 5–7 days of standby time. Charge conveniently with the charging dock or USB direct charging. This health ring is compatible with both iOS and Android devices for convenient everyday use
• [80M Waterproof & 139+ Sports Modes] This fitness tracker ring supports 139+ sports modes, including walking, running, cycling, yoga, ball games, and water sports. With 80-meter water resistance, it is ready for sweat, rain, hand washing, swimming, and everyday activities