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COLMI R02 is a slim smart ring for sleep trends, heart rate, SpO2 records, activity tracking, and screen-free daily wellness.
Choose a fit that feels secure without pressure, especially for overnight wear.
Popular upgrades
Free COLMI Ring Cover included.
Built for sleep trends, heart rate, SpO2.
No subscription fees.
30-Day Return Guarantee.

COLMI R02 Smart Ring
Sleep-first wellness, made for daily wear.
COLMI Ring 1 is for women who want useful overnight and daily wellness records without wearing another screen to bed.
Comfortable for sleep
A screen-free ring format is easier to keep on overnight than a bulky wrist device.
Sleep trends
Review sleep duration and related overnight records in the QRing app.
Heart + HRV
Follow heart rate and HRV trends as part of your general wellness routine.
Cycle reminders
Keep cycle reminders alongside sleep, activity, and body trend records.

Wake up to clearer sleep and body trends.
Connect COLMI Ring 1 with the QRing app to review sleep trends, heart rate, HRV, SpO2, activity records, cycle reminders, battery status, and related body trends.
Use these records for general wellness reference and daily routine awareness, not medical diagnosis.
Simple enough for everyday routines.
The essentials are clear: sleep and heart records, daily movement, water resistance, magnetic charging, and a lower price barrier than premium smart rings.
About 5 days
Battery life designed for ordinary routines between charges.
5ATM
Daily water resistance for hand washing and ordinary routines. Avoid hot water and deep-water use.
Magnetic charging
Simple magnetic charging cable support keeps the routine straightforward.
No monthly fee
Core QRing records are available without a required monthly subscription fee.
Creator videos
Your health journey, worn every day.
See real routines from creators who wear COLMI Ring 1 for sleep, daily movement, and everyday wellness tracking.
Product details
Key specifications for sleep records, wellness tracking, battery, design, app compatibility, and included accessories.
Sleep & wellness
Battery & charging
Design & fit
App & compatibility
Activity & smart features
Included in the Box
COLMI Ring 1
Charging case
Charging cable
Quick Start Guide
Questions before you order.
Fit, sleep tracking, app, water resistance, cycle reminders, and wellness-use answers for COLMI Ring 1.
How do I choose my COLMI Ring 1 size?
Measure your finger before ordering and choose the size that feels secure without pressure. For sleep tracking, comfort matters as much as a snug fit.
Does COLMI Ring 1 work with iPhone and Android?
Yes. COLMI Ring 1 connects with the QRing app. Product compatibility should follow the confirmed app requirement shown in Product details.
Can I wear it while washing hands?
COLMI Ring 1 is designed for daily water resistance. Avoid hot water, saunas, chemicals, and deep-water use, and check Product details for the confirmed water-resistance rating.
What wellness data does it record?
COLMI Ring 1 records sleep, heart rate, HRV, SpO2, activity, cycle reminders, and related body trends through the QRing app. Available views may vary by app version and selected model.
Does it support cycle reminders?
QRing includes cycle reminder support for lifestyle reference. These features are not intended for medical diagnosis, contraception, fertility prediction, or treatment.
Do I need a subscription?
No required monthly subscription fee is needed for core records on COLMI Ring 1.
Is COLMI Ring 1 a medical device?
No. COLMI Ring 1 is designed for general wellness records and lifestyle reference. It is not intended to diagnose, treat, cure, or prevent any disease.
