1. Introduction
The JRING R18 Smart Ring is an advanced wearable device designed to seamlessly integrate into your daily life, offering comprehensive health monitoring and convenient smart controls. Its lightweight, durable, and waterproof design ensures comfort and reliability for various activities. This manual provides detailed instructions to help you set up, operate, and maintain your R18 Smart Ring.
2. Package Contents
Please check the package for the following items:
- JRING R18 Smart Ring
- Magnetic Charging Cable
- User Manual (this document)
3. Specifications
Figure 3.1: R18 Smart Ring Size Chart and Product Specifications
| Feature | Detail |
|---|---|
| Model | R18 |
| Material | Aluminum Alloy (exterior), Hypoallergenic Resin (interior) |
| Available Colors | Gold/Silver, Black/Silver |
| Weight | Approximately 2.9g |
| Thickness | 2.4mm |
| Hardness | 9H |
| Bluetooth Version | 5.1 |
| Battery Capacity | Approximately 17.5 mAh |
| Charging Method | Magnetic Charging |
| Usage Time | 8-10 days (typical use) |
| Companion App | JRING App |
| Storage Capacity | 128kb ROM + 96 Kb RAM |
| Wearing Method | Finger wear |
| Water Resistance | Deep waterproof (suitable for swimming, diving) |
4. Getting Started
4.1. Charging the Ring
Before first use, fully charge your R18 Smart Ring. Connect the magnetic charging cable to the charging points on the ring and plug the USB end into a compatible power source (e.g., computer USB port, USB wall adapter). The ring will indicate charging status, and a full charge typically takes approximately 1-2 hours.
4.2. Downloading the JRING App
To unlock the full functionality of your smart ring, download the official JRING app from your smartphone's app store (iOS App Store or Google Play Store). Search for "JRING" and install the application.
4.3. Pairing with Your Smartphone
- Ensure Bluetooth is enabled on your smartphone.
- Open the JRING app and follow the on-screen instructions to create an account or log in.
- The app will guide you through the pairing process. Select your R18 Smart Ring from the list of available devices.
- Confirm the pairing on both the app and, if prompted, on the ring.
5. Wearing Instructions
5.1. Choosing the Correct Size
The R18 Smart Ring is available in multiple sizes. For accurate health monitoring and comfort, it is crucial to wear the correct size. Refer to the size chart below and the finger measurement method:
Figure 5.1: R18 Smart Ring Size Chart and Measurement Guide
Finger Measurement Method:
- Wrap a thin, inelastic thread or strip of paper snugly around the base of the finger where you intend to wear the ring.
- Mark the point where the thread/paper overlaps.
- Measure the length of the thread/paper with a ruler.
- Compare this measurement to the inner circumference in the size chart to find your corresponding ring size.
5.2. Proper Placement
Wear the ring on any finger that feels comfortable. For optimal heart rate and blood oxygen monitoring, ensure the sensors on the inside of the ring are in firm contact with your skin. The ring should be snug but not uncomfortably tight.
6. Operating Instructions
6.1. Health Monitoring
The R18 Smart Ring continuously monitors various health metrics. Access detailed data and trends through the JRING app:
- Heart Rate: Tracks your heart rate throughout the day and during workouts.
- Blood Oxygen (SpO2): Measures your blood oxygen saturation levels.
- Body Temperature: Monitors your skin temperature.
- Sleep Tracking: Analyzes your sleep patterns, including sleep stages and duration.
- Activity Tracking: Counts steps, distance, calories burned, and active minutes.
6.2. Gesture Control
The R18 Smart Ring supports various gesture controls for enhanced convenience:
- Camera Control: Use specific gestures to remotely trigger your smartphone's camera for photos or videos. This is particularly useful for sports photography or group shots.
- DY Sports Mode: Engage specific gestures to interact with applications like TikTok/Douyin, potentially for scrolling, liking, or other functions within the app.
- Smart Home Integration (if supported): The ring may offer gestures to control compatible smart home devices. Refer to the JRING app for available integrations.
Customize and learn specific gestures within the JRING app's settings.
6.3. Sports Modes
Activate sports modes through the JRING app to track specific activities with greater accuracy. The ring will record relevant metrics for your chosen sport.
7. Maintenance
7.1. Cleaning
To ensure optimal performance and hygiene, clean your R18 Smart Ring regularly:
- Wipe the ring with a soft, damp cloth.
- Avoid using abrasive materials, harsh chemicals, or solvents, as these can damage the ring's finish and sensors.
- Ensure the charging contacts are clean and dry before charging.
7.2. Water Resistance
Figure 7.1: R18 Smart Ring Waterproofing
The R18 Smart Ring features a fully enclosed, deep waterproof design, making it suitable for activities like swimming and diving. However, prolonged exposure to hot water (e.g., hot showers, saunas) or high-pressure water jets should be avoided as it may compromise the seals over time.
7.3. Durability
Figure 7.2: R18 Smart Ring Durability Features
The ring is constructed with an aluminum alloy exterior and a hypoallergenic resin interior, designed for durability and comfort. While robust, avoid dropping the ring or exposing it to extreme impacts to prevent damage.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Ring not turning on/responding | Ensure the ring is fully charged. Connect it to the magnetic charger and check for charging indicators. |
| Unable to pair with smartphone | Make sure Bluetooth is enabled on your phone. Restart both the ring (if possible) and your phone. Ensure the JRING app is updated to the latest version. Try unpairing and re-pairing. |
| Inaccurate health data | Ensure the ring is worn correctly and snugly on your finger, with sensors in firm contact with the skin. Clean the sensors. Avoid wearing it too loosely or too tightly. |
| App not syncing data | Check your phone's internet connection. Ensure the ring is within Bluetooth range of your phone. Force close and reopen the JRING app. |
| Short battery life | Ensure the ring is fully charged. Reduce the frequency of continuous monitoring if possible. Background app usage might also affect battery life. |
9. User Tips
- For consistent health tracking, try to wear the ring on the same finger daily.
- Regularly check the JRING app for firmware updates to ensure optimal performance and new features.
- Experiment with different gestures in the app settings to find what works best for your camera and other controls.
- Keep the magnetic charging cable in a safe place to avoid loss, as it is specific to the R18 Smart Ring.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official JRING website or contact their customer service directly. Keep your proof of purchase for warranty claims.