Close
Shop
Circular 2
Circular 2
Circular Glasses
Circular Glasses
About
Features
Features
Sleep
Sleep
Activity
Activiy
Heart Rate
Heart Rate
Company
Learn
Learn
HSA/FSA
HSA/FSA
Science
Science
Professionals
Professionals
Get access to Circular 2's lowest price
ever
Features
For Professionals
Shop
Shop
Features
For Professionals
Shop
Shop
Welcome to our resources page
Find updated material to make the most out of Circular
Search
Latest
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
By Category
All
Popular
Activity
Sleep
Product updates
Activity
1 min read
How Circular tracks your Active minutes, Cardio points, Activity Volume, and Recovery
November 25, 2022
Activity
1 min read
Circular’s calories burned
November 25, 2022
Activity
1 min read
Circular’s walking equivalency & steps counter
November 25, 2022
News
3 min read
New release: Guided Breathing Exercises Circle
October 12, 2022
News
2 min read
The Circular® Global Score, Leaderboard and Streak score
October 12, 2022
Sleep
8 min read
Calculate Sleep to Know the Best Time to Go to Sleep
July 27, 2022
Prev
Next
5 / 16
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
How to Use Your HSA or FSA to Purchase the Circular Ring
August 27, 2024
News
2 min read
Discover the New Coherence Breathing Circle in the Circular Ring
August 19, 2024
Expert
2 min read
NBA Star Clint Capela Joins the Circular Tribe
June 20, 2024
News
3 min read
Introducing the Medication Reminder Feature in Circular: A Leap Towards a Complete Wellness Ecosystem
February 29, 2024
News
3 min read
Stress Levels Tracking: Your Path to Inner Peace
October 18, 2023
Next
1 / 4
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
Previous
Next
6 / 7
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
Expert
5 min read
Leaderboard Winner Interview (Audrey C.) - October 2022
December 13, 2022
News
3 min read
New release: Guided Breathing Exercises Circle
October 12, 2022
News
2 min read
The Circular® Global Score, Leaderboard and Streak score
October 12, 2022
Sleep
8 min read
Calculate Sleep to Know the Best Time to Go to Sleep
July 27, 2022
Previous
Next
2 / 7
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
Next
1 / 4
Get the latest articles
