【Heart Rate Blood Pressure Ring】 The health ring can set up all-day heart rate monitoring to record the changes of heart rate throughout the day. It also can monitor your real-time blood pressure at anywhere, allowing you to pay attention to your health anytime and anywhere, bringing more care and attention to your life. 【Fitness Ring with Sport Modes】 Fitness tracker automatically track your steps, calories burned, and distance traveled. And you can turn on the sport mode in App to get more data during exercise, such as real-time heart rate, activity time and sport route. This comprehensive data can help you better understand your exercise, let you make informed decisions to improve the fitness outcomes. 【Smart Sleep Ring】 Built-in sleep tracker to monitor last night's sleep duration, light sleep time, deep sleep time, and awake time. Not only that, but you can also check your sleep status for the past week or even a month to fully understand your sleep habits and quality. Based on a comprehensive sleep quality analysis to help you develop good sleep habits. 【Small Charging Case & Easy to Carry】 This ring is equipped with a small charging case, just put the ring in the charging case, you can charge it anytime and anywhere, no need to worry about running out of power. This small charging case is also very portable. It's small enough to fit easily in your pocket and doesn't take up too much space. Moreover, it is also very delicate in design and feels good in the hand. 【Compact and Stylish Waterproof Ring】 Our fitness rings are made of lightweight yet sturdy materials that are both durable and lightweight, ensuring comfort throughout the day. IP68 waterproof rating, allowing it to cope with a variety of daily activities including swimming, cold bathing and washing hands. 【Free Powerful App】 All health and sport data can be viewed on the mobile app for free without any subscription fee. Suit for smart phone with Android 5.1 or iOS 8.0 and above system. 【Size Before You Buy】 Please according to the measurement method on the detail image, first measure your finger circumference, then calculate the inner diameter of your finger, find the corresponding ring size number and select it. The smart ring has many useful functions:
Steps counter, Calories counter, Distance tracking
Heart Rate Monitor
Blood Pressure Monitor
Blood Oxygen
Sleep Tracker
Multi-Sport Modes
Remote Camera

Size:
Our Smart rings have their own specific sizes and may differ from standard sizes, so please measure your finger circumference before choosing.

< B > Connection Parameter:
Free APP: ECTRI
Compatible Device: Smartphone iOS 11.0+, Android 6.0+
Low Energy Bluetooth: 5.1

Battery:
Ring Battery Capacity: 18mAh
Charging Type: Magnetic Charging

What’s in the Box:
1* Smart Ring
1* Charging Cable for Ring
1* USB-C Charging Case
1* Manual

Ideal Gift: This smart ring serves as a meaningful any occasion or holiday, such as birthdays, anniversaries, Thanksgiving, Christmas, or Valentine's Day.
If you have any question, contact us freely, and we will offer satisfied solution within 24 hours.