Skip to main content

Digital Trends may earn a commission when you buy through links on our site. Why trust us?

French startup Circular unveils promising Oura fitness-tracking competitor

Several smartwear products took the center stage at CES 2022. Apart from the heavy hitters such as Garmin and Skagen, a Movano ring was also unveiled, with a design that specifically has female users in mind. Finally, a French company called Circular also unveiled its first product, simply called the Circular Ring. 

The Circular Ring has changeable outer shells for user customization. The ring is extremely lightweight at only 4 grams. It is also water-resistant up to 5 meters. It also offers up to 22 days of built-in data storage without a Bluetooth connection. The biocompatible resin-based product will be available in different sizes.

Movano Ring. Credits: Movano official.
The circular ring could give stiff competition to the Movano ring in the coming years. Movano official.

Tracking and features

A 14-day calibration period begins as soon as the user wears the ring for the first time. During this period, the ring establishes the user’s baseline health parameters, which helps it to give them personalized and actionable recommendations to make healthy changes in their lives. Circular tracks multiple health metrics, including temperature, heart rate variability, energy levels, and VO2 Max.

Circular has a dual PPG sensor in its ring combined with the Circular app that allows it to read heart signals and blood oxygen. It detects if the heart rate shows any signs of cardiac arrhythmia, and if the heart rhythm is steady. The data tracked is purported to be clinically accurate and can be shared with a professional for further advice. Wearing it both during the day and the night can help Circular to correlate the data using machine learning.

Circular also seems to be extremely efficient while tracking sleep. It can tell a user how much time they spend in each sleep stage — light sleep, deep sleep, REM sleep, and when they are lying awake. More importantly, it also calculates how efficiently a user has slept. The app shares data on a number of important criteria to examine sleep quality, including time taken to fall asleep, sleep debt, real sleep time, disturbances while sleeping, etc. It also provides silent vibrations to users in their light sleep stage if they wish to be awakened, without disturbing their surroundings.

Recommended Videos

Price and availability 

A single charge of the ring gives it four days of battery life. A single charge from 0% to 100% can be completed in one hour. Pre-orders, which will begin soon, will run until February 27, 202. The device will have a cost of 259 euros ($293) during that time. Starting February 28, the price will jump to 289 euros ($327). Shipping and other details are expected to be announced soon by the company.

Sahas Mehra
Former Digital Trends Contributor
Sahas is a freelance writer who specializes in writing on Tech, Health & Wellness, and Gaming. He covers the Mobile…
iOS 18.1 brings two sorely needed email features to the iPhone
Setting primary email address after iOS 18.1 update.

With the introduction of iOS 18.1, Apple has made a crucial change that will make life easier for users eyeing an inbox address change for their account activities. Up till now, if you sought to change the primary email associated with your Apple account, the existing email address had to be deleted first.

Only after deleting the current email address were users able to add a new one for their Apple account. Following the iOS 18.1 update, users can simply change it without any erasure hassle.

Read more
Apple Watch Series 10 vs. Apple Watch SE 2: Which is better?
apple watch series 10 vs se 2 thumb

The Apple Watch has hit its first big birthday. The Apple Watch Series 10 is the 10th generation of Apple’s wearable, and it brings a host of new changes while keeping the same DNA that makes the Apple Watch special.

However, it’s still not the most affordable smartwatch, but Apple does offer the two-year-old entry-level Apple Watch SE 2. If you are on a limited budget and want to experience an Apple Watch, should you buy the Apple Watch SE2 or is it worth stretching your budget for the Apple Watch Series 10? Let’s find out.
Apple Watch Series 10 vs. Apple Watch SE 2: specs

Read more
22 of the best Netflix hacks, tips, and tricks
A close-up of the Netflix app icon n an Apple TV.

You love Netflix. But are you getting the most out of your subscription to the popular streaming service? So many hidden hacks and tricks can completely transform your streaming experience. Like what, you ask? Did you know there's a way to access Netflix shows and movies locked in other countries? Or can you turn off that annoying autoplay feature that kicks in after every episode?

These are just a few examples. There’s a whole world of hacks waiting to be discovered. From downloading titles for offline viewing to setting up custom notifications for your favorite shows to adjusting the playback speed, a wealth of tips can revolutionize your Netflix experience.

Read more