Introduction
This manual provides essential instructions for the proper use and maintenance of your Yunir Smart Health Ring. Please read this guide thoroughly before using the device to ensure optimal performance and longevity. The Smart Health Ring is designed to monitor various health metrics, including heart rate, blood oxygen, sleep patterns, and daily steps, providing valuable insights into your well-being.
Product Overview
The Yunir Smart Health Ring is a compact and stylish health tracker. It features advanced sensors for continuous monitoring and is crafted from durable materials like polished ceramic. Its IP68 waterproof rating allows for use in various daily water-related activities.

Image: Overview of the Smart Health Ring's key tracking capabilities.
Key Features:
- Health Monitoring: Tracks heart rate, blood oxygen (SpO2), sleep quality, and steps.
- Durable Design: Made with polished ceramic for comfort and longevity.
- Waterproof: IP68 rating for daily water exposure, including swimming.
- Long Battery Life: Up to 7 days of continuous monitoring on a single charge.
- App Compatibility: Connects with dedicated app on Android and iOS devices for data viewing.
Setup Guide
1. Charging the Device
Before initial use, fully charge your Smart Health Ring. Connect the provided charging cable to the ring and a USB power source. A full charge typically takes approximately 60 minutes. The ring's LED indicator will show charging status.

Image: The Smart Health Ring and its USB charging cable.
2. App Installation and Pairing
- Download the official companion app from your device's app store (compatible with Android and iOS).
- Open the app and follow the on-screen instructions to create an account or log in.
- Ensure your Smart Health Ring is charged and within Bluetooth range of your smartphone.
- In the app, navigate to the device pairing section and select your Smart Health Ring from the list of available devices.
- Confirm the pairing on both the app and, if prompted, on the ring.
3. Wearing Instructions and Sizing
For accurate data collection, wear the ring snugly on your finger. Refer to the sizing guide below to ensure you have the correct fit. The ring should be comfortable but not loose enough to rotate freely.

Image: Visual guide for measuring finger size and a table for ring number, inner diameter, finger circumference, and approximate weight compatibility.
Step 1: When measuring, use a non-elastic string or paper strip to wrap around your finger.
Step 2: Straighten the string/paper and measure its length with a ruler. Compare this measurement to the finger circumference in the provided table to find your corresponding ring number.
| Ring Number | Inner Diameter (mm) | Finger Circumference (mm) | Approx. Weight (kg) |
|---|---|---|---|
| 8 | 18.1 | 58–60 | 55–60 |
| 9 | 18.9 | 61–63 | 65–70 |
| 10 | 19.8 | 64–66 | 70–75 |
| 12 | 21.4 | 69–70 | 85–90 |
Operating Instructions
1. Monitoring Health Data
Once paired and worn correctly, the Smart Health Ring automatically begins monitoring your health metrics. Data is continuously collected and stored on the device, then synced to the app when connected.
- Heart Rate: Tracks your heart rate throughout the day and during exercise.
- Blood Oxygen (SpO2): Measures your blood oxygen saturation levels.
- Steps & Distance: Counts your daily steps and estimates distance traveled.
- Sleep Tracking: Analyzes your sleep patterns, including sleep stages and duration.

Image: The Smart Health Ring in use, with a smartphone app displaying real-time health data.

Image: The Smart Health Ring monitoring sleep quality while worn during rest.

Image: The Smart Health Ring tracking activity during a run.
2. Using the Companion App
The app serves as your primary interface for viewing detailed health data, setting goals, and managing device settings. Regularly sync your ring with the app to ensure all data is transferred and backed up.
- Dashboard: View a summary of your daily health metrics.
- Historical Data: Access trends and detailed reports over time.
- Settings: Customize notifications, update firmware, and manage personal profile.
3. Waterproof Guidelines (IP68)
The Smart Health Ring has an IP68 waterproof rating, meaning it is protected against continuous immersion in water up to a certain depth and duration. This allows for use during:
- Washing hands
- Showering
- Swimming (in shallow water)
Note: Avoid prolonged exposure to hot water, steam, or high-pressure water jets, as these can compromise the waterproof seals over time. Do not use in saunas or hot tubs.

Image: The Smart Health Ring demonstrating its IP68 waterproof capability during swimming.
Maintenance
Cleaning
Regularly clean your Smart Health Ring to ensure hygiene and optimal sensor performance. Use a soft, damp cloth to wipe the ring. Avoid harsh chemicals, abrasive materials, or ultrasonic cleaners, as these can damage the ceramic finish and internal components.
Battery Care
- Charge the ring fully before long periods of inactivity.
- Avoid completely draining the battery frequently.
- Store the ring in a cool, dry place when not in use.
Troubleshooting
- Device not pairing: Ensure the ring is charged, Bluetooth is enabled on your phone, and the ring is within range. Try restarting both the ring and your phone.
- Inaccurate data: Check if the ring is worn snugly on your finger. Ensure the sensors are clean and free from debris.
- App not syncing: Verify your phone has an active internet connection. Close and reopen the app, or restart your phone.
- Short battery life: Ensure the ring is fully charged. Excessive background app usage or frequent data syncing can reduce battery life.
- Ring unresponsive: Attempt to charge the ring. If it remains unresponsive, contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Yuniraz5h9onvyr-14 |
| Brand | Yunir |
| Material | Ceramic |
| Waterproof Rating | IP68 |
| Battery Capacity | 18 mAh |
| Battery Type | Lithium |
| Charge Time | Approx. 60 minutes |
| Battery Life | Up to 7 days |
| Metrics Measured | Heart Rate, Blood Oxygen, Sleep Duration, Step Count, Distance |
| Compatible Devices | Android, iOS Smartphones |
| Item Weight | 0.06 Kilograms |
Warranty and Support
The Yunir Smart Health Ring comes with a limited warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact Yunir customer service through the contact information provided with your purchase or on the official Yunir website.
Note: Keep your purchase receipt as proof of purchase for warranty purposes.