Premium Health Tracking, No Subscription Required
R01 Smart Ring - Sleep, Heart Rate & Blood Oxygen Tracker
Product Overview
R01 Smart Ring is a screen-free wearable for people who want useful health data without wearing a watch all day. It tracks sleep, heart rate, blood oxygen, stress, and activity from a compact ring that syncs with the JRing app.
What you can expect
Sleep tracking covers deep sleep, light sleep, REM, and overall sleep score. Heart rate and blood oxygen are tracked throughout the day, while activity tracking covers steps, distance, calories, and multiple sport modes.
Built for everyday wear
The ring is 6.8 mm wide, 2.6 mm thick, and rated 5ATM for swimming, handwashing, workouts, and daily wear. Typical battery life is 4-6 days, and it recharges through the included magnetic charging case.
Works with your phone
R01 connects over Bluetooth 5.3 and syncs with JRing on iOS 10+ and Android 5+. There is no monthly subscription required to view your core health data.
Optional controls
It also supports TikTok gesture control and a remote camera shutter for hands-free content capture.
Collapsible content
What does this ring track?
R01 tracks sleep, heart rate, blood oxygen, stress, steps, calories, distance, and recovery trends through the JRing app.
Does it work with my phone?
Yes. It connects over Bluetooth 5.3 and syncs with JRing on iOS 10+ and Android 5+.
How accurate is the tracking?
While wearable ring devices provide practical insight into health trends, results may vary slightly from medical devices. These trackers offer continuous monitoring and are designed to be reliable for everyday use but should not replace professional medical instruments.
Is the ring waterproof?
Yes. R01 is rated 5ATM, which makes it suitable for swimming, handwashing, workouts, and everyday wear.
How long does the battery last?
Typical battery life is 4-6 days per charge. It recharges through the included magnetic charging case.
What sizes are available?
R01 is available in US ring sizes 7 through 13. Use the size guide on this page before ordering for the best fit.
What if it doesn’t fit?
If the fit is off, contact support within 30 days of delivery and we will help with a return or exchange.
Find Your Perfect Ring Size
Use this guide to measure your finger for the perfect fit. Accurate sizing ensures comfort and optimal tracking performance.
Be Confident in Your Choice
R01 gives you the core health data most people actually check: sleep, heart rate, blood oxygen, stress, and daily activity.
It does it from a 5ATM ring with 4-6 day battery life, Bluetooth 5.3 sync, and no monthly subscription. If you want screen-free tracking you can wear to bed, the gym, and the pool, this is the simpler option.
| Our brand | Others | |
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5ATM water resistance for daily wear |
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4-6 day typical battery life |
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JRing app sync on iOS 10+ and Android 5+ |
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No monthly subscription required |