opove O Ring Smart Ring, Fitness Trackers Rings with Sleep/Stress/Heart Rate/Women’s Health Monitoring, Comfortable Wearing, Up to 7 Days Using, Fitness Ring for Android & iOS, Silver-Size10

Price: $239.99
(as of Apr 30, 2026 22:12:21 UTC – Details)
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Product description

Find Your Perfect Fit Before You Buy

Order the O Ring Sizing Kit to discover your ideal size before purchasing.

Wearing Guide

Select your preferred finger and wear the ring with the logo facing your palm.

Wear it for 24 Hours

Wear the sizing ring for at least 24 hours to determine your most accurate fit in real-life conditions.

Buy the O Ring

Once you’ve found your ideal size, purchase your O Ring.

Size Before You Buy Step 1：

Purchase O Ring Sizing Kit.

Step 2：

Purchase your O Ring.

Step 3:

Place the ring in the charging case to activate.

Step 4:

Download the opove app to pair with your O Ring.

【Size Before You Buy】O Ring smart ring use a unique design that differs from standard ring sizes. Please using our O Ring sizing kit to find your perfect size and test-wearing it for 24 hours to ensure all-day comfort
【Innovative Stress Tracking】Opove fitness tracker ring tracks HRV in the background 24 hours a day, automatically quantifies stress levels, and helps you manage stress through personalized insights. Easily track your body’s responses without disrupting your daily life
【Comprehensive Sleep Management】O Ring records and analyzes deep sleep/light sleep/REM/wake duration in detail, providing core vital signs data such as sleep score, heart rate, blood oxygen, and HRV, turning complex sleep information into understandable scientific advice to help you manage your sleep
【One Ring, Multiple Functions】One opove fitness ring handles all your daily health management needs-Step tracking, activity tracking, mood tracking, menstrual cycle prediction for women, basal body temperature monitoring, and more. Plus continuous performance improvements and new feature additions provide a customized and evolving experience
【No Subscription Fee】All practical and fun features are free with the companion app (App Name: opove).O Ring ensures that you can continuously experience real-time health tracking and personalized insights.（Compatible with both iOS and Android）
【Comfortable and Waterproof】Weighing only 3 grams, made of durable titanium, 5ATM waterproof, no need to remove it when washing hands or showering; O Ring is specifically designed for all-day wear, offering comfort and durability, with a stylish look that complements your outfit