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News
2 min read

Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right

March 26, 2025
News
2 min read

The Circular Ring 2 Kickstarter Campaign Is Live – A New Era for Personalized Health

March 14, 2025
News
2 min read

Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right

March 26, 2025

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Activity
Sleep
Product updates
Sleep
1 min read

Circular® smart alarm clock: How to wake up with motivation and energy while getting rid of sleep inertia

July 21, 2023
News
3 min read

Introducing Kira+: The Most Sophisticated Personalized Wellness AI Powered by Circular

July 20, 2023
News
3 min read

Circular Ring Achieves Seamless Compatibility with Apple HealthKit

July 19, 2023
News
3 min read

Introducing the latest upgrades to Circular Ring: Green LED and Improved Peak Detection Algorithm

May 22, 2023
News
5 min read

Major Product Upgrade 1

March 16, 2023
Expert
5 min read

Leaderboard Winner Interview (Audrey C.) - October 2022

December 13, 2022
Activity
3 min read

Rested Heart Rate (RHR): What Increases and Decreases it ?

September 20, 2019
Activity
3 min read

What is blood oxygenation level or blood saturation (SpO2): Uses and More

August 30, 2019
Activity
3 min read

How Circular tracks your Resting Heart Rate (RHR) and how to use it?

August 30, 2019
Activity
5 min read

How to use Heart Rate Variability (HRV)

August 23, 2019
Activity
3 min read

What increases and decreases Heart Rate Variability (HRV)?

August 23, 2019
Activity
3 min read

Continuous Heart Rate monitor

August 11, 2019
Sleep
2 min read

Silent Alarm Clock by Circular® : The perfect smart & silent alarm clock

May 25, 2022
Sleep
3 min read

Bio sensors: What is It and How Do They Work?

January 17, 2022
Sleep
2 min read

Chronotypes and what effect do they have on our daily lives

March 11, 2021
Sleep
1 min read

REM sleep is key to your weight loss journey!

March 7, 2021
Activity
1 min read

Circular calibration period: the new way to improved tracking!

March 4, 2021
Activity
5 min read

Health Metrics: What vital metrics are important to track? And why?

December 22, 2020
News
2 min read

Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right

March 26, 2025
News
2 min read

How to Use Your HSA or FSA to Purchase the Circular Ring

August 27, 2024
News
2 min read

Explore Your Health Like Never Before with the Advanced Analytics Circle

June 4, 2024
News
2 min read

Unleash Your Potential with the New Sport Session Circle

May 28, 2024
News
3 min read

Introducing the Medication Reminder Feature in Circular: A Leap Towards a Complete Wellness Ecosystem

February 29, 2024
News
2 min read

Kira+ Beta: Revolutionizing Personal Health with AI-Powered Coaching

January 26, 2024

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