1. Introduction
The Lenovo TK9 Smart Ring is an innovative wearable device designed to integrate health monitoring and smart controls seamlessly into your daily life. Featuring a touch screen, it tracks heart rate, blood pressure, blood oxygen, sleep patterns, and steps, while also offering convenient gesture controls for your smartphone. Its robust waterproof design ensures durability in various environments.
2. Setup
2.1 Charging the Smart Ring
Before initial use, fully charge your Smart Ring. The device uses magnetic charging. A full charge takes approximately 1 hour and provides 3-4 days of conventional use.
2.2 App Installation and Pairing
- Download the 'JRing' application from your smartphone's app store. The app is compatible with Android 9.0 and above, and Apple iOS 10.0 and above.
- Ensure Bluetooth is enabled on your smartphone.
- Open the 'JRing' app and follow the on-screen instructions to pair your Smart Ring via Bluetooth 5.3+EDR.
2.3 Ring Sizing
To ensure accurate health monitoring and comfortable wear, select the correct ring size. Refer to the sizing guide below:
Measurement Steps:
- Use a note to measure the thickest position of your finger.
- Mark the intersection point on the note with a pen.
- Remove the note and straighten it. Use a ruler to measure the length between the two marks. This number is your finger's perimeter.
- Refer to the table to find your corresponding ring size.
3. Operating Instructions
3.1 Basic Touch Controls
The Smart Ring features a touch-sensitive area for quick access to information:
- Touch once: Show current time.
- Touch twice: Show step count.
- Touch three times: Display heart rate.
- Touch four times: Display blood oxygen.
- Touch five times: Show sleep duration.
- Touch six times: Display battery level.
3.2 Health Monitoring
The Smart Ring continuously monitors various health metrics:
- Heart Rate: Tracks your heart rate throughout the day, providing insights into your cardiovascular health.
- Blood Oxygen: Measures blood oxygen levels, crucial for understanding respiratory function.
- Sleep Monitoring: Records sleep stages and duration, offering suggestions for improved sleep quality.
- Activity Tracking: Counts steps and tracks various sports modes like running, cycling, skiing, golf, and swimming.
3.3 Smartphone Integration and Gesture Control
The Smart Ring connects to your smartphone via the JRing app to provide detailed data visualization and intelligent controls:
- Data Visualization: View daily, weekly, and monthly trends for all monitored health metrics within the app.
- Remote Camera Control: Use simple swing gestures with the ring to take photos remotely.
- TikTok Sliding Screen: Control TikTok scrolling by waving your finger with the ring.
4. Maintenance
4.1 Waterproof Capabilities
The Smart Ring boasts 5ATM and IP68 deep waterproof ratings. This means it is suitable for daily hand washing, showering, swimming, and shallow water diving without concern for water damage.
4.2 Cleaning and Care
- Wipe the ring regularly with a soft, damp cloth to remove dirt and oils.
- Avoid using harsh chemicals, abrasive cleaners, or solvents, as these can damage the ceramic and epoxy resin materials.
- Ensure the charging contacts are clean and dry before placing the ring on the magnetic charger.
5. Troubleshooting
5.1 Common Issues and Solutions
- Ring not turning on: Ensure the ring is fully charged. Place it on the magnetic charger for at least 1 hour.
- Unable to pair with smartphone:
- Check if Bluetooth is enabled on your phone.
- Ensure the 'JRing' app is installed and updated to the latest version.
- Restart both the ring (if possible, by fully discharging and recharging) and your phone.
- Try pairing in a different location to rule out interference.
- Inaccurate health readings:
- Ensure the ring is worn snugly on your finger, not too loose or too tight.
- Clean the sensors on the inside of the ring.
- Avoid taking measurements during intense physical activity or immediately after.
- Screen not responding to touch: Ensure your finger is clean and dry. If the issue persists, try restarting the ring by fully discharging and recharging.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | Smart Ring TK9 |
| Brand Name | Lenovo |
| CPU | Dialog DA14585 |
| Flash Memory | 128kb ROM + 96 Kb RAM |
| Battery Capacity | 15-20 mAh |
| Heart Rate Sensor | HX3018 |
| G-Sensor | SC7A20 |
| Working Time | 3-4 Days |
| Case Material | Stainless Steel + Epoxy Resin (Ceramic) |
| Ring Width | 8mm |
| Bluetooth Version | 5.3+EDR |
| System Support | Android 9.0+; HarmonyOS; iOS 10.0+ |
| Charging Method | Magnetic charging |
| Waterproof Level | 5ATM + IP68 |
| Display Screen | No (LED digital display for data) |
| NFC Support | Yes |
| Function | Message Reminder, Activity Tracker, Steps Tracker |
| Metrics Measured | Heart Rate Monitor, Blood Pressure Monitor, Sleep Monitor, Blood Oxygen Monitor |
| Operating Temperature | 0-50℃ |
| Compatible Software | JRing |
| Certification | CE |
| Origin | Mainland China |
7. User Tips
- For consistent and accurate health data, wear the ring on the same finger and ensure it fits snugly.
- Regularly sync your ring with the JRing app to keep your data updated and review trends.
- Explore the different sports modes in the app to maximize your fitness tracking.
- Utilize the gesture controls for convenience, especially for remote photo taking or media control.
- Keep the ring charged to avoid interruptions in monitoring.
8. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Lenovo support channels or contact your retailer. Keep your proof of purchase for any warranty claims.
