What this product is
Galaxy Ring is a device sold by Samsung.
From the maker's page. See the maker's page ↗ We don't repeat the maker's health claims.
What it measures
It tracks heart rate, skin temperature during sleep, and walking and running movement using three sensors. acibademinternational.com ↗
The maker says its accelerometer tracks walking and running, and its skin temperature sensor reads changes during sleep. samsung.com ↗
How well it works in independent tests
A reviewer found his daily step count rose by about 2,000 steps with the ring, differing from a Xiaomi smartwatch. calcalistech.com ↗
A review of research says rings detected about 96 percent of true sleep but under half of wake periods. acibademinternational.com ↗
The same page says sleep stage labels matched a sleep lab roughly 51 to 65 percent of the time. acibademinternational.com ↗
FDA status
The page says none of the three rings is cleared by a medical regulator to diagnose anything. acibademinternational.com ↗
Battery life
A reviewer says it lasts about a week per charge, and 30 minutes of charging restores about half. calcalistech.com ↗
What the maker offers
It comes in a box that also charges it, and is sold in several sizes; a sizing kit is needed first. calcalistech.com ↗
The maker says it has a titanium build in three finishes and starts at $299.99. samsung.com ↗
Each line rests on a passage quoted word for word from the linked page (hover the link to see it). Accuracy comes only from pages independent of the maker.
About this kind of device
Fitness trackers: watches, bands and rings
Smartwatches and fitness trackers are wrist-worn monitors that people commonly use to count their steps each day.
Main risk: The pages stress that wrist-worn monitors may not count steps as accurately as hip-worn pedometers.
Research stage 2: small studies in people. What it measures and the research →
This is research on this kind of device in general, not proof that this model is accurate or right for you.
Outside reviews
No independent reviews of this product found yet.
This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.