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8 min read

5 Best Smart Rings for Women in 2026

April 27, 2026
News
8 min read

WHOOP vs Circular Ring 2: Which is Right for You?

April 20, 2026
News
8 min read

5 Best Smart Rings for Women in 2026

April 27, 2026

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Product updates
15 min read

17 Luxury Gifts for Men Who Are Hard to Impress

December 24, 2025
7 min read

How to Wake Up Easier: 12 Tips to Beat Grogginess and Start Fresh

December 5, 2025
3 min read

Circular Ring 2 Release Notes (Nov 2025):  Shipping Complete, Infrastructure Evolving

November 30, 2025
8 min read

How to Calculate Your Ovulation Window and Know When You’re Most Fertile

November 20, 2025
7 min read

7 Great Breathing Exercises for Stress Relief That Actually Work

November 7, 2025
3 min read

Circular Ring 2 Release Notes (Oct 2025): Shipping Complete, Customer Support, Firmware Update

October 31, 2025
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
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
Expert
10 min read

Blood Oxygen: What is a Normal Level

July 15, 2022
Activity
8 min read

Aerobic Exercises: The Best Tips

July 15, 2022
Sleep
2 min read

Beat Sleep Inertia and Wake Up Alert: How Circular's Smart Alarm and Wake-Up Score Revolutionize Mornings

March 8, 2024
News
3 min read

Stress Levels Tracking: Your Path to Inner Peace

October 18, 2023
Sleep
3 min read

What is the Circular® Sleep quality score and how it is calculated

August 20, 2023
Sleep
1 min read

What is the Circular® Wake up score and how it is calculated

August 3, 2023
Sleep
1 min read

Circular® smart snooze: Embrace Circular's Smart Snooze Feature for Energized Mornings

August 1, 2023
Sleep
3 min

Unveiling Sleep Secrets: Decoding Your Heart Rate Trend During Sleep with Circular Ring

July 28, 2023
News
8 min read

5 Best Smart Rings for Women in 2026

April 27, 2026
News
8 min read

WHOOP vs Circular Ring 2: Which is Right for You?

April 20, 2026
News
9 min read

What Makes the Circular Ring 2 Different from Every Other Smart Ring

April 9, 2026
News
8 min read

Circular Ring 2 Release Notes (Jan 2026): Database Optimization, Server Performance Upgrade, and 2025 Year in Review

January 31, 2026
News
3 min read

Circular Ring Leaderboard: Wellness Score, Rankings and Monthly Prizes

January 10, 2026
3 min read

Circular Ring 2 Release Notes (Sep 2025): Dedicated Sync Architecture, Faster Data Transfer & Sleep Tracking Improvements

September 30, 2025

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