OURA Ring 4 - Black - Size 11 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

Your Personal Sleep Coach Take charge of your recovery with in-depth monitoring of your sleep quality, stages and breathing, along with sleep heart rate variability and sleep resting heart rate. Claim a FREE trial of the Zepp Aura AI rest and wellness service for customized sleep music, sleep health assessments, and access to a sleep coaching AI chatbot.

Movement Index is designed to help you move across the day enabling better metabolism and cardiovascular functioning. Track your steps, calories, metabolic equivalents (METs) and more.

Heart Rate Blood Oxygen Ring The smart ring supports 24-hour continuous heart rate tracking, whether in daily life or during exercise, the health ring can always keep monitoring your hear rate, allowing you to better understand your physical condition and make corresponding adjustments. Also monitor your real-time blood oxygen at any time with one click on the App,

Health Smart Ring The health ring can monitor your hear rate and blood pressure at any time with one click on the App, allowing you to better understand your physical condition and make corresponding adjustments. Built-in automatic sleep tracker can monitor your sleep status and provide a comprehensive sleep quality analysis (deep sleep, light sleep, and wake-up time), allowing you to develop good sleeping habits.

The future of health.On full display. Measure your blood oxygen level with a revolutionary sensor and app. Take an Heart rate monitoring anytime, anywhere.Along with other innovations like sleep tracking to keep you healthy from head to toe. Findtime Smart Ring puts more health insights in sight and allow you to take on demand readings of your health management data as well as background readings, day and night.

It s the ultimate fitness partner. Now you can try to set an exercise goal for yourself, and monitor your body data in real time during the process, such as heart rate zone, steps, calorie consumption, distance.Find strength in numbers. Making progress as an athlete requires accurate data and insights. Updates to the Workout app like new metrics and views give you all the information you need to be and beat your best.

Powerful App By downloading the corresponding application on your smartphone, the ring synchronizes the monitored data to your phone, allowing you to view the collected data at any time. Whether you're an Android or iOS user, this application can perfectly adapt to your system, providing detailed charts to help you monitor your activity progress and health status.

Health Smart Ring The health ring can monitor your hear rate, blood pressure and blood oxygen at any time with one click on the App, allowing you to better understand your physical condition and make corresponding adjustments. Built-in automatic sleep tracker can monitor your sleep status and provide a comprehensive sleep quality analysis (deep sleep, light sleep, and wake-up time), allowing you to develop good sleeping habits.

Heart Rate Blood Oxygen Ring The smart ring supports 24-hour continuous heart rate tracking, whether in daily life or during exercise, the health ring can always keep monitoring your hear rate, allowing you to better understand your physical condition and make corresponding adjustments. Also monitor your real-time blood oxygen at any time with one click on the App,

The future of health.On full display. Measure your blood oxygen level with a revolutionary sensor and app. Take an Heart rate monitoring anytime, anywhere.Along with other innovations like sleep tracking to keep you healthy from head to toe. Findtime Smart Ring puts more health insights in sight and allow you to take on demand readings of your health management data as well as background readings, day and night.

NFC Functionality This smart health ring incorporates premium technology for precise data monitoring and smart manufacturing. With built in NFC, it can be used as an NFC card, automatic link sender, and quick WIFI and Bluetooth connection. Not only is it intelligent, but it also boasts a simple and elegant design, making it incredibly fashionable.

Size Before You Buy Before purchasing the RingConn Smart Ring, we highly recommend acquiring the RingConn Sizing Kit to determine the most comfortable and suitable size for your finger

SIZE FIRST--Measure the size before purchasing.There are 8 sizes of inner diameter 16.5mm 22.3mm. It is recommended that the inner diameter of the thickest part of the knuckle be used as the standard for purchase. #6(Inner Diameter 16.5mm)#7(Inner Diameter 17.4mm)#8(Inner Diameter 18.2mm)#9(Inner Diameter 19.0mm)#10(Inner Diameter 19.9mm)#11(Inner Diameter 20.7mm)#12(Inner Diameter 21.5mm)#13(Inner Diameter 22.3mm)

IP68 Waterproof With an IP68 rating, this smart ring health tracker can be worn confidently in various daily water related scenarios such as washing hands, taking showers, or even swimming. Its sensors remain fully functional, continuously monitoring your health data.

IPX8 Waterproof This smart ring features IPX8 waterproof rating, allowing you to wear it while swimming, surfing and other water sports. No worry for exercise without a ring!

Movement Index is designed to help you move across the day enabling better metabolism and cardiovascular functioning. Track your steps, calories, metabolic equivalents (METs) and more.

Powerful App By downloading the corresponding application on your smartphone, the ring synchronizes the monitored data to your phone, allowing you to view the collected data at any time. Whether you're an Android or iOS user, this application can perfectly adapt to your system, providing detailed charts to help you monitor your activity progress and health status.

Gift & Warranty A perfect gift ring for any man in your life who you want to impress and add style to his wardrobe, suit for any gift giving occasion Valentine's Day, anniversary, business, birthday, Thanksgiving Day, Christmas etc. Provides 12 months warranty, allowing you to eliminate purchase concerns. If you have any question, contact us freely and we will offer satisfied solution within 24 hours.

It s the ultimate fitness partner. Now you can try to set an exercise goal for yourself, and monitor your body data in real time during the process, such as heart rate zone, steps, calorie consumption, distance.Find strength in numbers. Making progress as an athlete requires accurate data and insights. Updates to the Workout app like new metrics and views give you all the information you need to be and beat your best.

Health Smart Ring The health ring can monitor your hear rate, blood pressure and blood oxygen at any time with one click on the App, allowing you to better understand your physical condition and make corresponding adjustments. Built-in automatic sleep tracker can monitor your sleep status and provide a comprehensive sleep quality analysis (deep sleep, light sleep, and wake-up time), allowing you to develop good sleeping habits.