- SIZE BEFORE YOU BUY - Size yourself with the Oura Ring 4 Sizing Kit before you purchase Oura Ring 4.
- ACCURACY WITH SMART SENSING - Oura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity — delivering accurate, continuous data, day and night.
- HOLISTIC HEALTH TRACKING — Oura provides over 50 health metrics, including sleep, activity, stress, heart health, and women's health metrics.
- DESIGNED FOR 24/7 WEAR—Oura Ring 4‘s updated design is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
- LONG LASTING BATTERY - With up to 8 days* of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present.
- FSA/ HSA ELIGIBLE - We can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping.
- MEMBERSHIP IMPROVES WITH YOU - First month of membership is on us with your purchase, $5.99/mo afterwards (or $69.99 annually). Enjoy access to continuous feature and app updates within the award-winning Oura App.
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android —Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more.
Weight: 4.2 Grams
Water Resistance: Water-Resistant
Connection Type: No Wired Connection Ports
Includes: Charging/Docking Station, Charging Cable
Operating System Compatibility: Apple iOS, Android
Wireless Technology: Bluetooth
Activities tracked: Running, Golf, Basketball, Walking, Hiking, Yoga, Cycling
Maximum Battery Charge Life: 8 Days
Metrics Measured: Sleep Duration, Pulse Wave Velocity (PWV), Heart Rate, Menstruation, Stress Level, Blood Oxygen Level (SpO2), Body Temperature, Daily Distance
Material: Titanium
Battery: 1 Non-Universal Lithium, Required, Included
Warranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869











