
Oura Ring 4 Black - Size 15 **BRAND NEW, OPEN BOX**
BRAND NEW IN AN OPEN BOX.
-ALL ITEMS WILL REQUIRE AN ADULT SIGNATURE.
-SERIAL NUMBERS WILL BE DOCUMENTED TO ENSURE YOUR ITEM REACHES YOU AS INTENDED.
-WE DO NOT SHIP TO PO BOXES.
Due to free shipping and discounted sales prices, we do not accept returns unless the product doesn't match our description (You are covered by eBay's Money Back Guarantee, which covers most transactions on eBay. It means you can get your money back if an item didn't arrive, is faulty or damaged, or doesn't match the listing).
ADDITIONALLY, NO RETURNS FOR WRONG SIZE. KNOW YOUR SIZE BEFORE PURCHASING.
Oura Ring sizes are different from standard ring sizes and differ between Generations of Oura Rings. It's important to find your size before you purchase an Oura Ring. Find your size by purchasing an Oura Ring Sizing Kit for the generation you are interested in.
1. Purchase the Oura Ring Sizing Kit.
2. Learn your Oura Ring size by wearing a sizing ring for at least 24 hours.
3. Purchase your Oura Ring
Top Features
•SLEEP - Get the best sleep of your life, and then some. Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. Oura provides insights into your sleep staging throughout the night, blood oxygen levels, HRV, and nighttime heart rate.
•ACTIVITY - Whether you're running a marathon or running errands, Oura tracks your daily activity, steps, calories burned, and workouts while helping you strike a balance between movement and recovery.
•READINESS - Know when to push it and when to take it easy with the Oura Readiness Score. It takes into consideration over 30 different body signals — including temperature, heart rate, HRV, and sleep — to tell you how ready you are for the day ahead.
•STRESS - Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practices and how to recover from longer-term stressors.
•WOMEN’S HEALTH - Your cycle impacts your mood, sleep, activity, and more, every day. Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your holistic health. Track the changes in your body throughout your cycle and predict your period up to 30 days in advance.
•HEART HEALTH - From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age, and Cardio Capacity, Oura helps you take care of one of key indicators of your overall health — your heart.
•ILLNESS DETECTION - Oura monitors shifts in your temperature and heart rate so you can tell when you may be getting sick sooner.
Looking for the best health tracker? Whether you’re searching for a sleep ring or fitness ring, Oura Ring is for you— this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress, in style.
Features: Black (band)
Weight: 5.1 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