Amovan Nova Smart Ring for Sleep and Activity Tracking
Free US shipping. Estimated delivery: 10–15 business days, including processing.
Product details
Sleep and activity trends in a compact wearable
The Amovan Nova smart ring offers a compact way to review sleep and everyday activity trends through a compatible smartphone. Choose a size and color above, then review the fit, app compatibility and care information before ordering.
Before you order
- Confirm your size using the sizing information for this specific ring.
- Check the required app and phone compatibility before ordering.
- Battery life and available features vary with the product version, settings and usage.
- Wellness estimates are not medical measurements or a substitute for professional care.
Amovan Nova Smart Ring
Know your day.
Understand your night.
Sleep, activity, heart rate, blood oxygen, stress and temperature trends—all tracked from a lightweight ring designed to disappear into your everyday routine.
24/7 Wellness Tracking
Follow sleep, heart rate, activity and recovery-related trends.
6–10 Day Battery
Built for days of continuous use between charges.
IP68 Rated
Designed for everyday water exposure and active lifestyles.
iOS & Android
Sync your wellness data wirelessly to a compatible smartphone.
Everyday Wellness
A lot of insight.
In almost no space.
The Nova Smart Ring brings everyday wellness and activity tracking into a compact wearable you can keep on throughout your day and night.
Instead of constantly checking another screen, simply wear the ring and review your recorded trends through the compatible smartphone app.


Sleep Tracking
Your night tells
a bigger story.
Track estimated light, deep and REM sleep patterns along with overnight heart rate, blood oxygen and temperature-related trends.
Review recent sleep history to better understand how your sleep patterns change across your week.
Heart Rate & SpO₂
See how your body
moves through the day.
Follow heart rate, resting heart rate and HRV-related trends to build a clearer picture of your daily activity and recovery patterns.
On-demand blood oxygen measurements provide another wellness metric you can review alongside your other recorded data.


Fitness & Activity
Every step
adds up.
Keep track of everyday movement including steps, estimated calories, distance and active minutes.
Sports modes and GPS-assisted route tracking help add more context to compatible outdoor workouts when used with the connected smartphone experience.
Stress & Meditation
Make room for
a quieter moment.
Check stress-related measurements based on HRV data and use guided meditation and breathing experiences when you want to slow things down.
Cycle Tracking
More context for
your monthly routine.
Compatible cycle-tracking features can help record menstrual-cycle information and provide estimated period and ovulation reminders.
Cycle predictions are estimates based on recorded information and should not be used for contraception, fertility treatment or medical decision-making.


6–10 Day Battery
Wear more.
Charge less.
Designed for approximately 6 to 10 days of use per charge, depending on features, usage patterns and operating conditions.
The portable magnetic charging case doubles as protective storage, with a stated ring charging time of approximately 1.5 hours.
Designed for Everyday Wear
From morning routine
to evening workout.
A lightweight, low-profile design makes the Nova comfortable to keep on throughout everyday activities and overnight tracking.
Its IP68 rating provides protection against everyday water exposure. Always follow the manufacturer's care and water-resistance guidance.

One Ring. Multiple Insights.
Built around your everyday routine.
Heart Rate & HRV
Follow heart-rate and HRV-related trends throughout your routine.
Sleep Insights
Track estimated sleep stages and recent sleep trends.
Blood Oxygen
Take on-demand SpO₂ wellness measurements.
Temperature Trends
Review temperature-related changes recorded during wear.
Activity Tracking
Steps, estimated calories, distance and active minutes.
Stress & Meditation
Stress-related insights plus guided relaxation experiences.
Connected by Bluetooth
Your data, on your phone.
Low-power Bluetooth synchronization connects the Nova Smart Ring with compatible iOS and Android smartphones.
iOS Compatible
Android Compatible
Product Details
Technical specifications
| Product | Amovan Nova Smart Ring |
| Heart Metrics | Heart rate, resting heart rate and HRV-related tracking |
| Sleep Tracking | Estimated light, deep and REM sleep patterns plus overnight wellness metrics |
| Blood Oxygen | On-demand SpO₂ measurement |
| Activity | Steps, estimated calories, distance and active minutes |
| Sports Tracking | Sports modes and GPS-assisted route tracking with compatible smartphone use |
| Stress | Manual stress-related measurement using HRV data |
| Water Resistance | IP68 rated |
| Battery Life | Approximately 6–10 days, depending on usage |
| Charging | Magnetic charging case; approximately 1.5-hour ring charging time |
| Compatibility | Compatible iOS and Android smartphones |
What's included
Nova Smart Ring
Magnetic Charging Case
USB Charging Cable
User Manual
Choose the right size.
Accurate sensor contact and everyday comfort depend on a proper fit. Select your ring size carefully before ordering and refer to the available product sizing information.
Frequently asked questions
How long does the battery last?
The supplied specifications indicate approximately 6 to 10 days of use per charge. Actual battery life varies depending on enabled features and usage.
Does it track sleep?
Yes. It records estimated sleep stages and overnight wellness metrics, allowing you to review sleep-related trends in the connected app.
Does the ring measure blood oxygen?
Yes. The product supports on-demand SpO₂ wellness measurements. These readings are intended for general wellness use and are not medical measurements.
Does it have GPS?
The supplied product information describes GPS sports and trajectory tracking. Because independent built-in GPS is not specified, GPS-related features should be used with the compatible smartphone experience as applicable.
Is it waterproof?
The ring is listed with an IP68 water-resistance rating. Water resistance can diminish over time, so always follow the manufacturer's care instructions and limits.
Does it work with both iPhone and Android?
Yes. The supplied specifications state compatibility with both iOS and Android devices through Bluetooth connectivity.
Is the Nova Smart Ring a medical device?
No. The wellness and fitness information provided by the ring should not be used to diagnose, treat, cure or prevent any medical condition. Consult a qualified healthcare professional regarding health concerns.
Amovan Nova
Wear less.
Learn more.
A discreet way to keep sleep, activity and everyday wellness insights close—day and night.
This product is intended for general wellness and fitness purposes only and is not a medical device. Heart rate, HRV, blood oxygen, sleep, stress, temperature, menstrual-cycle and other measurements are estimates and should not be used for diagnosis, treatment, contraception or medical decision-making. Features and measurement availability may vary by device, app version, settings and usage conditions.
Explore related everyday tech
Discover a soft headband for your bedtime audio or explore a charging station for compatible Apple devices.
Browse all Ofernexo products.









