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Your daily personal
companion

Pushing miniaturization to the limit

The most wearable wearable

Circular combines a red, green and infrared light - invisible to your eyes. A unique combination enabling blood oxygenation monitoring and clinical grade heart rate accuracies

It also uses your skin temperature and motion for extensive monitoring

The ring won't get in your way. It is designed to follow you in every adventure

The ring won't get in your way. It is designed to follow you in every adventure. Under water, or climbing at high altitude

Changeable outer shells for unlimited customization to adapt your style to every occasion

Water resistant and scratchproof

It embarks dual way haptic feedback

From the ring to your finger with a vibration motor

And from your finger to the ring with a push button

Up to 4 days of battery life and 60 min of charging

10 days of built-in data storage without a Bluetooth connection

A clinical grade bio-compatible inner material for a comfortable and hypo allergenic fit

Available in different sizes

Small on the outside

Amazingly powerful on the inside

Control your ring, visualize your trends, your progress and benefit from personalized advice to improve your health in the long term

Understand and improve your sleep with simple and impactful insights

Circular analyses your body signals during your sleep to help you keep track of its efficiency while helping you to improve its quality.

Sleep quality score

The score reflects how well you slept based on valuable metrics calculated during your sleep.

Sleep overview

Quickly overview the times you slept. Edit your sleep logs.

Sleep metrics

See the result of each sleep component so that you can directly identify what to change.

Sleep/wake detection, 
Naps detection, 
Real sleep (efficiency), 
Sleep debt, 
Time to fall asleep, 
Chronotype, 
Sleep stages monitoring, 
Circadian Rhythm, 
Disturbances, 
SpO2, 
Heart Rate, 
Heart Rate Variability, 
Temperature Variation, 
Breathing rate, 
Sleep quality score©.
Sleep graphs

In depth insights about the sleep metrics. You can compare to your own short- and long-term trends and get to know your evolution.

Learn more

Quantify your physical activities with empowering metrics

Circular keeps track of your daily activities and fitness goals at any time.

Activity overview

Quickly see when you've practiced sports. Edit your activity logs.

Activity metrics

Quantify each component of your physical activity.

Automatic activity recognition, 
Activity intensities and volumes, 
Steps counter, 
Walking equivalency, 
Calories burned, 
Temperature, 
Cardio points, 
VO2 max, 
Recovery, 
Heart training zone.
Activity graphs

In depth information about numerous metrics for you to quantify your current performance and compare it to your own short-and long-term trends to get to know your evolution.

Learn more

Find the perfect health balance

Monitor your overall wellness and energy with day & night advanced cross analyses.

Wellness metrics

Make your own wellness extra correlation with advanced metrics.

Heart Rate Variability,
 Body recovery, 
Resting Heart Rate,
 Sleep balance, 
Temperature Variation, 
Breathing rate,
 Heart rate, 
SpO2, 
Energy Score©. 
Energy score

The score reflects your energy level for the day based on your sleep and activity data. Get to know when you can push yourself to max out your daily performances or when you may take it easy.

Wellness graphs

You can compare your wellness metrics to your own short- and long-term trends and get to understand the impact of your lifestyle on your well-being in order to improve it.

Learn more

Reduce your stress with guided breathing exercises

Get guidance from your ring with vibration through the most popular breathing sessions and get an assessment of your biometrics during your session.

Wellness metrics

Quantify each component of your breathing session.

Coherence score, 
Average Heart Rate, 
Average Heart Rate Variability. 
Coherence Score

This score gives feedback on how well you accomplished your breathing exercises. It analyzes if your heartbeat cycles are synchronized with the expected breathing rate of the exercise.

Learn more

Empower your abilities

Complementary features around empowerment & productivity

Personal & smart Alarm Clock

Finally a good waking experience. Smart, noninvasive and silent at the same time. Circular can study your sleep and smoothly wake you up during the light sleep stage, without disturbing your surroundings thanks to silent vibrations.

Alert notifications (coming soon)

Connected. Not distracted. Calendar, reminders, timer or social notifications right on your finger with discreet vibrations to never miss out on what's important to you.‍

Smart controls (coming soon)

Control your surroundings. Immediate action on the things you do most. Control your devices thanks to your ring’s button.

‍

Meets exceptional

Data intelligence

Hey, I'm Kira

“
Are
you
in a
situation
that
prevents
you
from
exercising?
”

Kira does all of the data correlation work for you and interacts with you to understand your habits so that your experience is as easy and personal as it can get.

The most complete experience ever crafted. With evolving features.

An infinite number of recommendations based on cross correlations analysis.

COMplex data, made simple

Metrics that build the foundations for better personal health understanding

7

input biometrics

142

derived metrics

1857

recommendations(& counting!)

Advanced features for a complete experience

Experience the most personal and fun way to start your journey to better health. Stay in good shape while having fun and challenge yourself in your progress.

Interact

Kira is your integrated intelligent companion that delivers smart and tailor-made insights at the right time

Challenge

Share your performances and be ready to compete among top individuals in the Circular community.

Share

Share your data with anyone you'd like or monitor data from another Circular user, for free. It can be a doctor, a sport coach or a beloved one.

Organize

Keep track of your actions, quickly visualize what's going on, add notes and make additional correlations to progress towards your goal.

Brilliant sound. All around.

Rich audio.

With custom‑designed 12 mm dynamic speaker drivers, Google Pixel Buds deliver high‑quality audio.

Clearer calls.

Built‑in sensors detect when you’re talking, and mics focused on your voice make sure background noise stays in the background.

04.

Control

Alert notifications

Connected. Not distracted.

Calendar, reminders, timer or social notifications right on your finger with discreet vibrations to never miss out on what's important to you

Notification sources
Circular App Alerts Circle

Smart controls

Control your surroundings

Immediate action on the things you do most. Control your devices thanks to your ring’s button.

Compatible devices

Soon.

05.

Share

Streaks & badges

Stay in good shape while having fun

Get a badge that matches your performance in the Circular community. Earn a streak star when your Global score© is excellent. Try to accumulate these streaks from day to day without breaking the series to get the highest score.

Circular App Leaderboards

Leaderboards

Challenge yourself in your progress

Share your wellness performances and feel ready to compete among the top individuals in the Circular community.

Along with your Circular ring purchase also comes all future updates. With a simple firmware update you'll be using brand new features in no time.

An intuitive and user friendly app

Circles - Display what you want to see

Each circle corresponds to a feature. The feed displays only the recommendations correlated to the circles you have activated.

Calendar - Keep track of your life

Quickly visualize what’s happening, add notes and make your own extra correlations to progress towards your goal.

Kira - Your personal companion

Kira is your integrated intelligent companion that delivers smart and tailor-made insights at the right time. It can interact with you to verify its hypotheses and advise you in the best way possible. Be a fuller version of yourself while worrying less.

Circular App Add A Circle
Circular App Calendar
Circular App Feed
Be
More
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