1. Introduction
The RUOFINE Qring Smart Ring R08 is a versatile wearable device designed to seamlessly integrate into your daily life, offering advanced health monitoring, fitness tracking, and smart remote control functionalities. This manual provides detailed instructions to help you get the most out of your smart ring.
Safety Information
- The Qring Smart Ring R08 is not a medical device and should not be used for medical diagnosis, treatment, or prevention of disease. Consult a healthcare professional for any health concerns.
- Keep the device and its accessories out of reach of children.
- Avoid exposing the device to extreme temperatures, direct sunlight, or corrosive substances.
- Do not attempt to disassemble or repair the device yourself. This will void the warranty.
2. Package Contents
Please check the box for the following items:
- 1 x Qring Smart Ring R08
- 1 x Magnetic Charging Case
- 1 x User Manual
3. Product Overview
The Qring Smart Ring R08 is designed for comfort and functionality, featuring a sleek alloy body and advanced sensors for comprehensive health tracking.

Figure 1: Qring Smart Ring R08

Figure 2: R08 Smart Ring with key features highlighted
Video 1: Overview of Qring Smart Ring R08 features
4. Setup Guide
4.1 Charging the Smart Ring
Before first use, fully charge your Qring Smart Ring R08.
- Place the smart ring into the magnetic charging case. Ensure the charging contacts align properly.
- Connect the charging case to a USB power source using a Type-C cable (not explicitly mentioned but standard for charging cases).
- The indicator light on the charging case will show charging status.
- A full charge takes approximately 1.5 hours. The ring offers 5-7 days of continuous use, and the charging case provides up to 60 days of battery life (multiple recharges).

Figure 3: Smart Ring in Charging Case
4.2 App Installation and Pairing
- Download the Qring app from your smartphone's app store (compatible with Android 5.0+ and iOS 10.0+).
- Open the Qring app and follow the on-screen instructions to create an account or log in.
- Ensure your smart ring is charged and your phone's Bluetooth is enabled.
- In the app, search for and select your R08 Smart Ring to pair.
4.3 Determining Your Ring Size
The Qring Smart Ring R08 is available in sizes #7 to #13. To ensure accurate health monitoring and comfortable wear, choose the correct size. Refer to the size chart and measurement guide below:

Figure 4: Ring Size Chart and Measurement Guide
5. Operating Instructions
5.1 Health Monitoring
The Qring Smart Ring R08 continuously monitors various health metrics:
- Heart Rate Monitoring: Tracks your heart rate 24/7.
- Blood Oxygen (SpO2) Monitoring: Checks your blood oxygen saturation.
- Body Temperature Monitoring: Senses changes in your skin temperature.
- Sleep Monitoring: Analyzes sleep stages (deep, light, REM) and provides sleep quality insights.
- Stress Monitoring: Monitors stress levels.
All health data is synchronized with the Qring app for detailed analysis and historical tracking.

Figure 5: Health Monitoring Features

Figure 6: Health Data Display in App
5.2 Activity Tracking
The ring tracks your daily activities:
- Steps: Counts your daily steps.
- Distance: Estimates the distance covered.
- Calories: Calculates calories burned.
The Qring app provides detailed sport records and burned calories data.

Figure 7: Activity Tracking
5.3 Remote Control Functions
The Qring Smart Ring R08 offers convenient remote control features:
- Message and Call Reminders: Receive alerts for incoming calls and messages from social apps. The ring features a flash LED indicator for notifications. (Note: Mobile message reminder function currently works only on iPhone iOS. Android support is pending.)
- Music Control: Wipe the touch panel on the ring to switch songs easily.
- Short Video Control: Swipe the touch panel to switch between short videos.
- Camera Remote: Shake your hand while wearing the ring to remotely take photos on your paired smartphone.
- Fingertip Games: Enjoy an immersive gaming experience by tapping your fingers up and down in various games supported by the app.

Figure 8: Message and Call Reminders

Figure 9: Music Control

Figure 10: Short Video Control

Figure 11: Camera Remote Control

Figure 12: Fingertip Games
5.4 Waterproof Rating
The Qring Smart Ring R08 has a 5ATM waterproof rating, meaning it can withstand pressures equivalent to a depth of 50 meters. You can wear it while washing hands, showering, or swimming in the ocean without worry, and it will continue to monitor your health.

Figure 13: 5ATM Waterproof Feature
6. Maintenance
- Cleaning: Wipe the ring and charging case with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Charging: Regularly charge the ring to maintain optimal battery health. Store the ring in its charging case when not in use to protect it.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
- Ring not turning on: Ensure the ring is fully charged. Place it in the charging case and check the indicator lights.
- Cannot pair with phone: Make sure Bluetooth is enabled on your phone and the ring is within range. Restart both the ring (by placing it in the charger and taking it out) and your phone. Check the Qring app for pairing instructions.
- Inaccurate health data: Ensure the ring is worn correctly and snugly on your finger. Clean the sensors regularly. Environmental factors can sometimes affect readings.
- Message/Call reminders not working: For iPhone users, ensure the Qring app has necessary notification permissions. For Android users, note that this feature is currently limited and awaiting full support.
- Short battery life: Ensure the ring is fully charged. Usage patterns (e.g., frequent remote control use) can affect battery life.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | R08 |
| Brand Name | RUOFINE |
| APP | Qring |
| Main Control Chip | RTL8762 |
| Memory | RAM 104KB, ROM 512 KB |
| Bluetooth Version | BT5.2 |
| Waterproof Grade | 5ATM |
| Case Material | Steel |
| Battery Capacity (Ring) | 15mAh Lithium polymer (18mAh for size 10 and above) |
| Charging Method | Magnetic Charging |
| Charging Time | Approx. 1.5 hours |
| Normal Using Time | 5-7 days |
| Standby Time | 7-10 days |
| Charging Case Battery Capacity | 200mAh |
| Charging Case Port | Type C |
| Authentication | CE, FCC, RoHS |
| Supported Systems | Android 5.0 and above; iOS 10.0 and above |
| Item Weight | 5g |
| Metrics Measured | Heart Rate Monitor, Sleep Monitor, Blood Oxygen Monitor, Body Temperature Monitor, Stress Monitor |
| Activity Tracked | Activity Tracker, Steps Tracker, Distance Tracker, Calorie Tracker |
| Display Screen | No |
| NFC Support | No |
| Origin | Mainland China |
9. User Tips
- iOS Message Reminders: For optimal performance of message and call reminders, ensure your Qring app on iOS is up-to-date and has all necessary permissions enabled.
- LED Notifications: The ring's flash LED indicator will light up for incoming calls and messages, providing a discreet notification.
- Stress Monitoring: The ring is capable of checking stress levels, providing another layer of health insight.
- Accurate Measurements: For the most accurate health readings, ensure the ring fits snugly but comfortably on your finger.
10. Warranty and Support
For warranty information, technical support, or any questions not covered in this manual, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





