COLMI Ring 2 smart ring worn during a calm nighttime routine
COLMI Ring 2 smart ring worn for overnight sleep tracking

See what happened overnight.

Review your sleep duration and estimated sleep stages in App. Compare your records across nights to spot patterns in your routine.

Why wear a smart ring?

Small enough for sleep. Simple enough for daily routines. Useful enough to help you notice patterns over time.

Sleep

Follow sleep trends without wearing a bulky wrist screen to bed.

Heart rate

Review heart rate and HRV insights as part of your daily wellness records.

SpO2

Use SpO2 records as a general wellness reference in the QRing app.

Cycle

Keep cycle reminders and body trends alongside your daily routine.

About 5 days

Designed for ordinary routines between charges.

No monthly fee

Core QRing records are available without a required subscription fee.

See Ring 2 in everyday life.

Take a closer look at how creators wear Ring 2 and use the QRing app in their daily routines.

Load video: COLMI Ring 2
Load video: COLMI Ring 2
Load video: COLMI Ring 2

FROM NIGHTTIME TO EVERYDAY

Made for nights. Styled for days.

A 7 mm band and screen-free design, with finishes to complement your everyday jewelry.

Explore Finishes

COLMI Ring 2 Pro in Gold worn overnight in a quiet bedroom
COLMI Ring 2 Pro in Gold worn on an index finger during a morning at home

FIND YOUR RING 2

Your style. Your Ring 2.

Explore three collections and choose the look you’ll love wearing.

Choose your style

A good fit starts here.

Not sure which size to choose? Use the COLMI sizing guide before ordering, or contact our team for help.

Online sizing provides an estimate. Check the instructions carefully before choosing your size.

Find My Size

Loved for sleep, style, and everyday tracking

Ashley M.
Ashley M.

Absolutely in love. It tracks what I need, feels easy to wear, and still looks trendy with my everyday jewelry.

Jenna R.
Jenna R.

This ring is great, and I love that I do not have to pay for the app. The QRing app is simple to check each day.

Megan L.
Megan L.

Sleek, comfortable, and fits perfectly. I bought a size 7 and it feels flattering enough to wear all day.

Kayla T.
Kayla T.

I wake up every morning checking my results in the app. It logs sleep, steps, heart rate, blood oxygen, body temperature, stress, and cycle reminders.

Nicole P.
Nicole P.

Bought this as a gift for my dad so he can track his steps when he walks. It works well, and the battery has been great so far.

Smart ring questions

Do I need a subscription?

No monthly subscription is required to view core Ring 2 records in the App.

What can I see about my sleep?

You can review sleep duration, estimated sleep stages, and your sleep records over time. Available views may vary by app version.

How do I choose my size?

Start with the COLMI sizing guide and check the fit instructions before ordering. Our support team can help with sizing questions.

What is your return policy?

You can request a return within 30 days of delivery. Eligible items must be unworn or unused and in their original packaging. Sale-item exclusions and other conditions apply. Please review the full return policy before ordering.

Need sizing support?

Use the COLMI Ring Sizer page before ordering, or contact COLMI support if you have questions about fit, app setup, or daily wear.