Smart Ring, No App Subscription, Wearable Fitness Sleep Tracker for Men Women, Heart Rate & Blood Oxygen Monitor, 5-7 Days Battery Life, Compatible with IOS & Android(Gold,9#)

Price: $79.90
(as of Sep 21, 2024 04:19:43 UTC – Details)

Parameter Introduction

6-day long standby battery life
4.4 grams of lightweight counterweight, no burden on fingers when wearing

The thickness is only 2.77 millimeters, and there is no discomfort when wearing fingers during sleep

Function Introduction

Support the QRing app for real-time viewing of monitoring data on mobile phones. It can also save your health history, exercise records, and sleep records, allowing you to view and compare data at any time.

The main six monitoring systems

Full day heart rate monitoring
Sleep monitoring
Blood oxygen monitoring
Calorie monitoring
pressure monitoring
Multi sport mode monitoring

Introduction to battery life

Standard version with magnetic suction charging to meet daily battery life needs
The plus version is equipped with a fast charging compartment, without any range anxiety

Size Introduction

No. 8 inner diameter 18.1mm, perimeter 56.9mm
No. 9 inner diameter 18.9mm, perimeter 59.5mm
No.10 inner diameter 19.8mm, perimeter 62.1mm
No.11 inner diameter 20.6mm, perimeter 64.6mm

Please wrap a non elastic rope around your finger, slightly tighten it, mark the position, unfold it flat, and use a ruler to measure the circumference value.
【Smart Sleep Analysis】Real-time monitoring of sleep movement, and transmission and recording in the App, including sleep duration, deep sleep duration, light sleep duration, awakening duration, etc., bringing you better sleep suggestions!
【24/7 Heart Health Monitoring】As a professional heart health consultant, the smart bracelet is equipped with a high-precision and high-performance heart rate sensor, which can accurately acquire data and monitor your heart activity around the clock.
【Movement Data Monitoring and Recording】Real-time monitoring of your various movement data, the number of steps in a day, the distance of movement, calorie consumption, and the trend of movement changes in a day, view it on your phone anytime, anywhere!
【Excellent Waterproof Performance】Medical grade stainless steel shell material, lighter and harder, available in black and gold color. More IP68 waterproof, you can wash your hands, take a bath, swim. No worries!
【Professional Grade Ultra-Precision Sensors】Acceleration Sensor, Optical Heart Rate Sensor, Optical Blood Oxygen Sensor, and Infrared Sensor work at the same time, comparable to professional devices!
【Free App】Smart bracelet health tracker data can be viewed on the mobile app for free without any subscription fee. The device supports Android 5.1 and iOS 8.0 and above.
【100% After-sales】 If you encounter any problems during the use, please contact us through Amazon message in time. We will reply within 12 hours. We provide you with a full range of technical support!