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Luna Ring

Features

Health

Luna App

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Wellness you can feel, in a ring you forget you're wearing.

Luna reads your sleep, recovery, and readiness with advanced sensors — then turns it into one calm number each morning. Featherlight titanium. Seven-day battery. No screens, no noise.

Buy Luna Ring

What it tracks

30-night trial · No subscription

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WHY LUNA

Designed to disappear. Built to understand.

Every detail is in service of one idea — clear, everyday wellness insight that asks nothing of your attention.

Advanced sleep tracking 

Estimates your night across light, deep, and REM stages, so you can see your sleep patterns at a glance.

24/7 heart rate, HRV, and blood oxygen

 

Continuous sensors track your heart rate, heart rate variability, and estimated blood oxygen (SpO2) around the clock.

Continuous skin-temperature trends 

Tracks subtle changes in your skin temperature over time, helping you notice shifts in your body's daily rhythm.

Daily readiness & stress scores
 

The app turns your overnight data into a single readiness score, so you know whether to push hard at the gym or take a recovery day

Under 4 grams, IP68 water-resistant

Light enough to sleep in and IP68 water-resistant, so it handles handwashing and showering with ease.

Up to 7 days of battery
 

Charge once a week instead of every night. A portable charging case can extend that to 10+ days when you travel.

What it measures

Twelve signals, read every minute of the day.

Luna samples continuously from the palm-side arteries, where the signal is strong and stable.

Resting HR

52

bpm

HRV

64

ms

SpO2

98

%

Sleep Score

98

pts

Skin temp

-0.2

oC

Daily Steps

8420

stp

Start Tracking

The companion app

One number in the morning. The whole story when you want it.

No dashboards to decode. Luna opens to a single readiness score and a sentence of plain-language guidance. Curious? Tap once for the full picture.

Luna can be tracked using popular and reputable apps such as qRing, Luck Ring, and Smart Ring.

Trends that matter — weekly and seasonal patterns, surfaced automatically.

Private by design — your data is encrypted and never sold. Export or delete anytime.

iOS Download

Android Download

How it works

From doorstep to insight
in three steps.

01

Size it perfectly

Please read our size chart guide, then choose the size that best fits you.

02

Just wear it

Slip it on and forget it. Luna charges weekly and tracks silently — no buttons, no notifications buzzing your hand.

03

Wake to clarity

Each morning, one calm score and a single suggestion. Follow it, and feel the difference within a week.

Choose your luna

One ring. Express your lifestyle.

Every edition includes lifetime access to core insights, free shipping, and a 30-night trial.

Question

Good to know.

How accurate is Luna really?

Luna reads from the palm-side arteries, where the signal is strongest. It's built to give you reliable day-to-day trends for sleep, heart rate, and activity — think of it as a personal wellness tracker, not a medical device.

Is there a subscription?

No. Every core insight — sleep, readiness, recovery, and trends — is included for life when you buy the ring. 

How do I find my size?

Please read our size chart guide, then choose the size that best fits you.

If you accidentally choose the wrong size, don't worry, we have a free exchange policy for the first time if you choose the wrong size.

What's your return policy?

Try Luna for 30 nights. If it's not for you, send it back for a full refund — no questions, free return shipping included.