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.
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.