Oura provides a complimentary sizing kit with your purchase of a ring, so you can choose the right ring size at ease.
Ring Size Chart and Measuring Tools
Wellue O2Ring Oxygen Monitor tracks your overnight blood oxygen saturation, heart rate & motion every second. Wellue O2 Ring sleep oxygen monitor detects hypoxic events. O2 Ring oxygen sensor high-resolution recording while sleeping. Pulse Oximeter for both spot check and continuous recording. More sensitive and more accurate across all finger sizes. Export PDF/CSV format report for the sleep analysis.
Wellue O2Ring Oxygen Monitor
Amazfit Helio Ring
The 2 Best Pulse Oximeters for Home Use of 2024
OURA SIZING KIT
Supporting Healthcare With Connected Devices: Oura Ring
OURA SIZING KIT
The Best Pulse Oximeters of 2024 to Monitor Your Health
The Most Personalized Ring on the Planet: Welcome to Generation 3
OURA SIZING KIT