TYUIOL Smart Ring Activity & Health Tracker — Black Size 8, Continuous Heart Rate & SpO2, Waterproof

The TYUIOL Smart Ring is a compact, waterproof activity and health tracker that monitors steps, heart rate, blood oxygen, and sleep without a subscription.

Designed as a lightweight, ring-shaped wearable for everyday use, the TYUIOL Smart Ring for Women Men collects movement and sleep data while offering continuous heart-rate and SpO2 estimates. It syncs with iOS and Android devices to display activity summaries, workout sessions, and nighttime sleep stages in an easy-to-read app. With IP68 water resistance and a durable metal finish in black, this size 8 model is built for hands-on lifestyles and daily fitness tracking.

How does the TYUIOL Smart Ring track daily activity?

The ring uses motion sensors to count steps, estimate distance, and calculate calories burned throughout the day. It recognizes a variety of activities automatically and stores session data so you can review trends over time in the companion app.

• Automatic step counting and distance estimation
• Calories burned estimates by activity intensity
• Activity recognition for running, cycling, walking, yoga, and more
• Workout session summaries synced to iOS and Android

What health metrics does it record and how accurate are they?

The TYUIOL ring continuously measures heart rate and periodically estimates blood oxygen (SpO2) and blood pressure trends using optical sensors. While it provides useful trend data and alerts, these readings are intended for personal wellness monitoring rather than clinical diagnosis.

• Continuous heart rate monitoring for activity and rest
• Intermittent SpO2 checks to show oxygen level trends
• Blood pressure trend indicators for lifestyle insights
• Syncable summaries to review long-term patterns

How does sleep monitoring work with this smart ring?

The ring automatically detects when you fall asleep and logs sleep stages including deep sleep, light sleep, and wake periods. Nightly sleep reports highlight total sleep time, sleep efficiency, and disruption patterns to help you refine evening routines.

• Automatic sleep start and end detection
• Breakdown of deep, light, and awake time
• Sleep quality score to compare nights
• Tips and trends accessible in the app for better sleep habits

Is the TYUIOL Smart Ring durable and easy to wear daily?

The ring has an IP68 rating so it resists sweat, handwashing, showers, and shallow swimming, and its compact profile makes it unobtrusive during daily tasks. A metal finish and precision sizing (this model is size 8) help it feel secure and look discreet on either hand.

• IP68 waterproof protection for everyday water exposure
• Low-profile, durable metal construction in black
• Comfort fit for continuous 24/7 wear, including sleep
• No subscription fees — full feature access via the app

Who is this for? The TYUIOL Smart Ring is best suited for people who want a subtle, low-maintenance wearable that records activity, sleep, and basic health metrics without monthly fees. It appeals to busy professionals, fitness-minded users who prefer minimal hardware, and anyone seeking a discreet tracker that pairs with iOS or Android devices for long-term wellness insights.