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Activity
10 minutes read

Average Resting Heart Rate by Age: All You Need to Know

July 27, 2022
Sleep
8 min read

Calculate Sleep to Know the Best Time to Go to Sleep

July 27, 2022
Activity
2 min read

Understanding VO2 max: why is it useful?

July 19, 2022
Activity
8 min read

Aerobic Exercises: The Best Tips

July 15, 2022
Expert
10 min read

Blood Oxygen: What is a Normal Level

July 15, 2022
Expert
8 min read

Average Body Temperature: All You Need to Know

June 13, 2022
Activity
10 minutes read

Average Resting Heart Rate by Age: All You Need to Know

July 27, 2022
Activity
2 min read

Understanding VO2 max: why is it useful?

July 19, 2022
Activity
8 min read

Aerobic Exercises: The Best Tips

July 15, 2022
Expert
10 min read

Blood Oxygen: What is a Normal Level

July 15, 2022
Expert
8 min read

Average Body Temperature: All You Need to Know

June 13, 2022
Activity
3 min read

Recovery Heart Rate: All you Need to Know

April 7, 2022
Sleep
8 min read

Calculate Sleep to Know the Best Time to Go to Sleep

July 27, 2022
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
News
2 min read

Circular Delivery Update #2

June 10, 2022
News
2 min read

Circular Delivery Update #1

May 25, 2022
News
1 min

Kickstarter Campaign - Update #2

February 18, 2020
News
1 min

Kickstarter campaign - Update #1

February 16, 2020
News
1 min

Circular is LIVE on Kickstarter

January 28, 2020
News
1 min read

How to change the interchangeable shell of my Circular Ring

January 26, 2020

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