Introduction
Thank you for choosing the Mingtawn Smart Ring R11. This ultra-thin smart ring is designed to monitor your health metrics 24/7, including heart rate, blood oxygen (SpO2), sleep patterns, and body temperature. It also offers convenient mobile device control through gestures. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your device.
1. Installation
1.1 Choisir la bonne taille
Accurate sizing is crucial for comfort and precise data collection. The Mingtawn Smart Ring is available in US standard sizes 6-13. It is recommended to use a sizing kit to determine your optimal ring size before purchase. Ensure the ring fits snugly but comfortably on your chosen finger.

Figure 1.1 : Ring Sizing Guide. This image displays a standard ring sizing chart, illustrating available sizes from 6 to 13 to assist users in selecting the correct fit for their Mingtawn Smart Ring.
1.2 Chargement et activation initiaux
Before first use, fully charge your Mingtawn Smart Ring. The ring comes with a magnetic charging cable and a mini charging box. Connect the USB charging cable to a power source and place the ring in the charging box. A full charge takes approximately 30 minutes and provides 5-7 days of continuous operation.

Figure 1.2 : Smart Ring in Charging Case. This image illustrates the smart ring being charged within its dedicated magnetic charging case, connected via a USB cable.
1.3 Installation et appairage de l'application
To access your health data and utilize all smart features, download the official "ECTRI" app. The app is available for both Android and iOS devices. Rechercher "ECTRI" in the Google Play Store or Apple App Store. After installation, open the app and follow the on-screen instructions to pair your Mingtawn Smart Ring via Bluetooth.

Figure 1.3 : Smart Ring App Interface. This image displays the ECTRI app on a smartphone, showing various health metrics monitored by the smart ring, including heart rate, SpO2, temperature, sleep, activity, and step count.
2. Mode d'emploi
2.1 Automatic Health Monitoring
Once powered on and worn, the Mingtawn Smart Ring continuously monitors your vital health indicators:
- Fréquence cardiaque : Tracks your heart rate 24/7, providing insights into your cardiovascular health.
- Oxygène sanguin (SpO2) : Mesure votre taux de saturation en oxygène dans le sang.
- Température corporelle: Monitors your body temperature throughout the day.
- Activity Status: Records your daily activity, including steps and calories burned.
- Surveillance du sommeil : Analyzes your sleep duration and quality, helping you understand and improve your sleep patterns.
All collected data is synchronized with the ECTRI app, allowing you to review trends and gain comprehensive insights into your physical condition.

Figure 2.1 : Health Management Features in the ECTRI App. This image illustrates the app's capabilities for tracking heart rate, sleep, and blood oxygen levels, providing a comprehensive overview of the user's health data.
2.2 Mobile Remote Control (Gesture Function)
The Mingtawn Smart Ring features a gesture control function that allows you to interact with your mobile phone without touching the screen. To activate this function, enable it within the ECTRI app settings. Once activated, you can perform actions by shaking the ring twice quickly:
- Change videos
- Prendre des photos/vidéos
- Start/pause music playback
- Jeux de contrôle
- Navigate e-books (page turning)
Note: This function should be deactivated in the app when not in use to prevent accidental actions on your phone.

Figure 2.2 : Gesture Control Functions. This image demonstrates the smart ring's ability to control various smartphone functions, such as camera, music, video scrolling, and e-book navigation, through simple gestures.
2.3 Résistance à l'eau
The Mingtawn Smart Ring boasts an impressive 5 ATM water resistance rating. This means you can safely wear it while showering or swimming in a pool. However, it is not recommended for diving or high-pressure water activities.

Figure 2.3 : Water Resistance and Design. This image emphasizes the smart ring's 5 ATM water resistance, allowing it to be worn during activities like showering or swimming, while also showcasinson design élégant.
3. Entretien
To ensure the longevity and optimal performance of your Mingtawn Smart Ring, follow these maintenance guidelines:
- Nettoyage: Essuyez régulièrement la bague avec un chiffon doux et sec pour enlever la saleté, la transpiration et le sébum. Pour les saletés tenaces, frottez légèrement avec un chiffon doux.amp cloth can be used, but ensure the ring is completely dry before charging or prolonged wear.
- Évitez les produits chimiques agressifs : Do not expose the ring to strong chemicals, solvents, or abrasive cleaners, as these can damage the finish and internal components.
- Stockage: When not in use for extended periods, store the ring in its charging case or a cool, dry place away from direct sunlight and extreme temperatures.
- Contacts de charge : Keep the charging contacts on the ring and in the charging case clean and free of debris to ensure efficient charging.
4. Dépannage
If you encounter issues with your Mingtawn Smart Ring, refer to the following common troubleshooting steps:
| Problème | Cause possible | Solution |
|---|---|---|
| La sonnerie ne charge pas | Loose connection, dirty contacts, faulty cable/charger. | Ensure the ring is correctly seated in the charging case. Clean charging contacts on both the ring and case. Try a different USB power source or cable. |
| Durée de vie de la batterie courte | Frequent use of gesture control, continuous monitoring, aging battery. | Deactivate gesture control when not needed. Ensure the ring is fully charged. Battery performance may degrade over time. |
| App not connecting to ring | Bluetooth off, app error, ring out of range, ring not powered on. | Ensure Bluetooth is enabled on your phone. Restart the ECTRI app. Make sure the ring is charged and powered on. Try restarting your phone. |
| Données de santé inexactes | Improper fit, movement during measurement, sensor obstruction. | Ensure the ring fits snugly on your finger. Avoid excessive movement during measurements. Clean the sensors on the inside of the ring. Note that smart rings are not medical devices and provide general wellness data. |
| Le contrôle gestuel ne fonctionne pas | Feature not enabled in app, incorrect gesture, app not running in background. | Verify gesture control is enabled in the ECTRI app settings. Practice the quick double-shake gesture. Ensure the app is running in the background. |
5. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Marque | Mingtawn |
| Nom du modèle | R11 |
| Dimensions (Emballage) | 10 x 10 x 5 cm |
| Poids de l'article | 100 grams (packaging weight) |
| Ring Weight | Environ 2.5 grammes |
| Ring Thickness | Environ 2.2 mm |
| Composants inclus | Smart Ring, Magnetic Charging Cable, Mini Charging Box |
| Piles requises | Yes (included, non-removable) |
| Temps de charge | Environ 30 minutes |
| Autonomie de la batterie | 5-7 days (continuous operation) |
| Résistance à l'eau | 5 guichets automatiques |
| Compatibilité | Android, iOS |
6. Garantie et assistance
Mingtawn is committed to providing high-quality products and excellent customer service.
- Garantie: Your Mingtawn Smart Ring R11 comes with a 24-month warranty from the date of purchase, covering manufacturing defects.
- Service client: For any questions, technical assistance, or warranty claims, please contact our customer support team. We offer 7/24 hours customer service to assist you. Refer to your purchase documentation or the official Mingtawn website pour les coordonnées.

Figure 6.1 : Product Certifications. This image displays various certifications (CE, UKCA, IC, FC, RoHS) that the Mingtawn Smart Ring has obtained, ensuring quality and compliance with international standards.