YD LIFE Smart Ring
YD LIFE Smart Ring User Manual
Model: Smart Ring
1. Introduction
This manual provides essential information for the safe and effective use of your YD LIFE Smart Ring. Please read it thoroughly before using the device and retain it for future reference. The YD LIFE Smart Ring is designed to assist in monitoring various health and fitness metrics.
2. Product Overview
The YD LIFE Smart Ring is a wearable device crafted from aerospace-grade titanium, offering a lightweight and durable design. It features comprehensive health monitoring capabilities, including:
- Sleep Tracking: Monitors sleep stages (deep, REM, light, wakefulness), breathing patterns, blood oxygen saturation, heart rate variability, and body temperature.
- Heart Rate Monitoring: Provides continuous heart rate tracking.
- Blood Oxygen Monitoring: Tracks blood oxygen saturation levels.
- Stress Monitoring: Detects and tracks stress levels.
- Women's Health: Includes menstrual cycle tracking.
- Activity Tracking: Logs steps, distance, calorie burn, and supports multiple exercise modes.
- Meditation Courses: Offers guided meditation sessions and relaxation techniques.
- Remote Photography: Allows remote control of a smartphone camera.
- Waterproof: 5ATM water resistance, suitable for swimming and daily water exposure.
- Extended Battery Life: Features a magnetic charging case for extended usage.

The YD LIFE Smart Ring and its charging case, designed as a personal health companion.
3. What's in the Box
Upon opening your YD LIFE Smart Ring package, you should find the following items:
- Smart Ring
- Wireless Charging Dock
- USB to Type-C Cable
- Magnetic Charging Cable
- User Manual (this document)

The complete package contents of the YD LIFE Smart Ring.
4. Sizing Guide
Accurate sizing is crucial for comfort and optimal performance. Please follow these steps to determine your correct ring size before use:
- Step 1: Measure Your Finger
Take a thin strip of paper or a non-elastic string and wrap it around your finger, specifically at the root and your knuckle. Mark the intersection point of the paper strip or string with a pen.


Wrap a paper strip around your finger and mark the overlap.
- Step 2: Measure the Length
Measure the length between the two markings on the paper strip or string using a ruler or measuring tape. This measurement represents the circumference of your finger.

Measure the length of the marked strip.
- Step 3: Consult the Size Chart
Refer to the table below to find the Smart Ring size that corresponds to your measured circumference. Choose the model with the smallest deviation from your measured size.
Smart Ring Size Chart Size Inner Diameter Circumference 8# 18.5mm 58.4mm 9# 19.5mm 61.1mm 10# 20.1mm 63.5mm 11# 21mm 65.7mm Compare your measurement to the provided size chart.
- Step 4: Confirm Your Size
Ensure you have selected the most appropriate size for your comfort and accurate data collection.

A reminder to ensure the correct size is chosen for optimal use.

Visual guide for measuring your finger to select the correct Smart Ring size.
5. Setup Instructions
5.1. Download the Companion App
The YD LIFE Smart Ring requires the 'Da Rings' application for full functionality. Download the app from your device's app store (App Store for iOS, Google Play for Android) or scan the QR code below.

Download the 'Da Rings' app by scanning the QR code or searching in your app store. Download Link
5.2. Charging the Smart Ring
Before initial use, ensure your Smart Ring is fully charged. Place the ring on the magnetic charging cable or in the wireless charging dock. The LED indicator on the ring will blink to confirm it is charging and ready for pairing.

The Smart Ring charging in its wireless charging case.

Place the ring on the charging cable; the LED will blink to indicate pairing readiness.
5.3. Pairing with Your Smartphone
- Ensure your smartphone's Bluetooth is enabled.
- Open the 'Da Rings' app.
- Accept any permission requests from the app (e.g., Bluetooth access, health data).
- The app will search for nearby devices. Once your Smart Ring's signal is found, select it from the list to complete the connection.

Ensure Bluetooth is enabled on your phone for pairing.

Open the app, accept permissions, and select your ring to connect.
6. Operating Instructions
The YD LIFE Smart Ring continuously collects data. Most interactions and data viewing occur within the 'Da Rings' app.
6.1. Sleep Monitoring
The Smart Ring automatically tracks your sleep patterns. Wear the ring to bed, and the app will provide detailed analysis of your sleep stages, quality score, and other relevant metrics.

The app displays detailed sleep cycle, health, and temperature data.

The Smart Ring provides in-depth insights into your sleep patterns.
6.2. Heart Rate Monitoring
The ring continuously monitors your heart rate throughout the day and night. View your heart rate data, including resting heart rate and heart rate zones during activity, in the app.

24-hour continuous heart rate monitoring is displayed in the app.
6.3. Blood Oxygen Monitoring
The Smart Ring tracks your blood oxygen saturation levels. Access this data in the app to monitor trends and identify any significant fluctuations.

The app provides continuous blood oxygen level monitoring.
6.4. Stress Monitoring
The ring helps you stay mindful of your stress levels by detecting and tracking stress moments. The app provides insights to help identify stress triggers and recovery strategies.

The app tracks stress levels and provides historical data.
6.5. Women's Health Tracking
For female users, the Smart Ring offers built-in menstrual cycle tracking. By combining body temperature data with collected menstrual data, the app predicts periods and ovulation dates, and provides reminders.

The app provides menstrual cycle tracking and predictions for women's health.
6.6. Activity Tracking
The Smart Ring records your daily activity, including steps, distance, and calorie burn. It supports various exercise modes (indoor/outdoor running, walking, cycling) to provide a comprehensive overview of your physical activity.

The app provides a visual representation of your daily activity data.

Records daily activity steps, distance, calorie consumption, and activity trends.
6.7. Meditation Courses
Access guided meditation sessions, white noise soundscapes, relaxation techniques, and sleep guidance through the app. These courses are designed to help reduce stress, improve sleep, and enhance overall well-being.

The app offers various meditation courses for mental and physical relaxation.

Scientifically designed courses to promote physical relaxation and a positive lifestyle.
6.8. Remote Photography
Utilize the remote photography function within the app to control your smartphone camera. This feature allows you to take pictures by shaking your finger while wearing the ring, simplifying group photos or selfies.

The remote photography feature allows for hands-free photo capture.

Use the app's photography function by shaking your finger with the ring.
7. Maintenance
7.1. Cleaning
To clean your Smart Ring, gently wipe it with a soft, damp cloth. Avoid using abrasive cleaners or harsh chemicals, as these can damage the device's finish and internal components.
7.2. Water Resistance
The YD LIFE Smart Ring is 5ATM waterproof, meaning it can withstand water pressure equivalent to a depth of 50 meters. This makes it suitable for swimming, showering, and daily exposure to water. However, it is not recommended for diving or high-pressure water activities.

The Smart Ring is 5ATM waterproof, suitable for various water activities.

The ring is dust and water resistant, designed to withstand various environments.
8. Troubleshooting
- Ring Not Connecting: Ensure Bluetooth is enabled on your phone, the ring is charged, and you are within range. Try restarting both the ring (by placing it on the charger) and your phone.
- Inaccurate Data: Ensure the ring is worn correctly and snugly on your finger. Environmental factors or improper fit can affect sensor readings.
- App Issues: Check for app updates in your device's app store. If problems persist, try reinstalling the app.
- Charging Problems: Verify that the charging cable and dock are clean and properly connected. Ensure the power source is functional.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Smart Ring |
| Brand | YD LIFE |
| Item Weight | 2.82 ounces (approx. 3g for the ring itself) |
| Package Dimensions | 3.94 x 3.15 x 1.97 inches |
| Operating System | Android, iOS |
| Connectivity Technology | Bluetooth |
| Special Features | AI Sleep Tracking, Activity Tracker, Meditation Courses, Multisport Tracker, Remote Control Photography |
| Water Resistance | 5ATM (up to 50m) |
| Battery Cell Composition | Lithium Ion |
| GPS | GPS Via Smartphone |
| Manufacturer | IEDOU TECHNOLOGY SHENZHEN CO.,LTD |
10. Official Product Video
Watch this video for a visual overview of the YD LIFE Smart Ring's features and design.
Video showcasing the YD LIFE Smart Ring's features, including its design, health monitoring capabilities, and waterproof nature.
11. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact the manufacturer directly. For technical support or further assistance, please reach out to YD LIFE customer service through their official channels.