FAQ

Frequently Asked Questions

How accurate is it compared to a smartwatch?

For heart rate, SpO2, and sleep, it performs comparably to leading consumer wearables, with continuous all-day tracking synced to your phone.

Does it work without a subscription?

Yes — no monthly fees, ever. All features unlock the moment you pair the ring.

How long does shipping take?

Shipping is free worldwide. Delivery takes 7–15 business days in the US and Canada, 10–20 in Europe, and 15–30 for the rest of the world.

What's your return policy?

30-day money-back guarantee. If you're not in love with it, send it back for a full refund.

How do I pick my size?

Use our free printable ring sizer on the Size Guide page, or measure with the paper or string method. Then select your size at checkout.