1. Introduction
The VALDUS VIGOR GPS Smart Bracelet is a premium screenless smartwatch designed for comprehensive health management and fitness tracking. It integrates advanced health monitoring features, fitness tracking capabilities, and smart reminders to provide users with a holistic view of their well-being. Key features include ECG functionality, real-time GPS tracking, SOS emergency call, fall detection, and a wide array of health metrics.

2. Safety Information
- Do not use the device in environments with high temperatures, high humidity, or strong magnetic fields.
- If you experience any skin discomfort or allergic reactions, immediately stop wearing the device and consult a doctor.
- Avoid using the device in saunas, hot baths, or during diving due to high temperature and pressure.
3. Package Contents
The VALDUS VIGOR GPS Smart Bracelet package typically includes:
- VALDUS VIGOR Smart Bracelet (main unit)
- Nylon Watch Strap
- Magnetic Charging Cable
- User Manual
- Product Warranty Card
- Storage Pouch
4. Setup
4.1. Charging the Device
Before first use, ensure the device is fully charged. Use the original magnetic charging cable provided.
- Connect the magnetic end of the charging cable to the charging port on the back of the smart bracelet.
- Connect the USB end of the cable to a standard USB power adapter (not included) or a computer's USB port.
- The device will indicate charging status. A full charge typically takes approximately 2 hours.
Caution: Avoid using non-original chargers to prevent device damage.

4.2. Power On/Off
- Power On/Off: Long press the side button of the device. It will vibrate once (250 ms) to indicate power on or off.
4.3. App Installation and Pairing
The VALDUS VIGOR Smart Bracelet requires the "G Band" app for full functionality.
- Download the App: Scan the QR code provided in the manual or search for "G Band" in your smartphone's app store (available for iOS and Android).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Pairing: Open the "G Band" app, navigate to the device section, and search for the "VIGOR" smart bracelet. Follow the on-screen instructions in the app to complete the pairing process.

4.4. Wearing the Device
For accurate measurements, wear the smart bracelet approximately 2-3 cm above your wrist bone. Ensure the sensors on the back of the device maintain firm contact with your skin.

5. Operating Instructions
5.1. Health Monitoring
The VALDUS VIGOR Smart Bracelet offers comprehensive health monitoring features:
- Heart Rate Monitoring: Provides 24-hour continuous heart rate tracking with alerts for abnormal heart rate. Measurement interval is 1 minute during sleep and 10 minutes during normal activity, with data uploaded every 30 minutes. High heart rate alerts trigger 5 vibrations.
- Blood Pressure Monitoring: Offers optional automatic monitoring every 10 minutes and supports manual calibration for higher accuracy.
- Blood Oxygen (SpO2) Monitoring: Monitors oxygen saturation levels with the same measurement frequency as heart rate, and data is uploaded every 30 minutes.
- Body Temperature Monitoring: Tracks body temperature.
- Stress Monitoring: Monitors stress levels in real-time. Ranges: 1-29 (Relaxed), 30-59 (Normal), 60-79 (Moderate), 80-99 (High).
- HRV (Heart Rate Variability): Analyzes physical recovery and stress resilience. Ranges: 1-29 (Low), 30-60 (Normal), 61-101 (Good), 101+ (Excellent).
- Blood Glucose Monitoring: Provides 24-hour continuous blood glucose monitoring with measurements every 10 minutes. Calibration is manual (optional).
- Sleep Monitoring: Automatically detects and analyzes sleep quality and duration, including deep sleep, light sleep, REM, awake periods, sleep onset, and wake-up time. Records nap duration and time periods. Total sleep duration and daily comparison are available in the app. "Scientific Sleep Mode" can be enabled for detailed sleep analysis reports.
- ECG Monitoring: Performs real-time ECG analysis and heart rhythm detection. Risk levels: 1-5 (No Risk), 5-50 (Low Risk), 50-70 (Medium Risk), 70-99 (High Risk). To perform an ECG test, wear the wristband on your left wrist and gently press the button at the bottom with your right middle finger, ensuring both electrode contacts are simultaneous. Do not press too hard. If the test fails, try moistening the skin at the contact point with salt water and retest.
- Body Composition (BMI) Classification: Provides BMI classification based on measurements. Categories: <18.5 (Underweight), 18.5-24.0 (Normal), 24.0-28.0 (Overweight), ≥28.0 (Obese).
- Menstrual Cycle Tracking: Set your cycle in the app, and the watch displays corresponding status and reminders.


5.2. Activity Tracking
The smart bracelet tracks various fitness metrics:
- Daily Activity Steps Summary: Tracks total daily steps (walking, running, fitness walking). Default target is 8000 steps, adjustable via the app.
- Calories Summary: Records total calories burned throughout the day.
- Distance Summary: Tracks total movement distance in 24 hours.
- Sports Modes: Supports 188 exercise modes, including running, cycling, swimming, yoga, dance, ball games, and winter sports. It supports both indoor and outdoor workouts. Exercise data (steps, heart rate, calories, routes) can be viewed in real-time via the app.

5.3. Smart Reminders
The device provides various smart reminders:
- Incoming Call and Message Notifications: The watch vibrates four times consecutively to notify health alerts or incoming messages. The call reminder function must be enabled in the App. When an incoming call is detected, the watch vibrates for 250 ms with a 750 ms pause in a continuous loop until the call is answered, ended, or the watch button is pressed.
- Sedentary Alerts: Reminds you to move after periods of inactivity.
- Alarm Reminders: Set alarms via the app.
- Daily Goal Achievements: Notifies you upon reaching daily activity goals.
- Health Alerts: Provides alerts for abnormal heart rate or low oxygen levels.
- Other Reminders: Drinking water reminder, distant view reminder, medication reminder, reading reminder, travel reminder, hand washing reminder.
5.4. SOS & Fall Detection
The VALDUS VIGOR Smart Bracelet includes critical safety features:
- Fall Detection: When a fall is detected, the device automatically sends an alert and shares your real-time location with your emergency contacts.
- SOS Emergency Function: In an emergency, double-press the side button to initiate an SOS call and simultaneously send your real-time location to your emergency contacts. The watch will automatically call your emergency contact and vibrate continuously to notify you.

5.5. Family & Friends Protection / GPS Safety Guardian Positioning
This feature allows you to share your real-time location with loved ones for added safety.
- Enable Data Cloud Sync: In the "G Band" app, go to the Data Services page and enable Data Cloud Sync.
- Add Members: Enter the "Relatives and Friends Mode" and add member accounts by scanning a QR code or entering their email address.
- Activate Safety Guard: After enabling, your real-time location can be displayed and shared with your "Family Guard" contacts.

6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the watch face and sensors. Avoid using chemical solvents.
- Handling: Avoid dropping, collisions, or prolonged water exposure (the device is not suitable for diving).
- Storage: Avoid prolonged exposure to direct sunlight to prevent aging of the strap and case materials.
- Sensor Care: Regularly wipe the sensor area to ensure accurate measurements.
7. Troubleshooting (FAQ)
- Q: The watch won't power on.
- A: Ensure the battery has sufficient charge. Long press the side button for 5 seconds to attempt to power it on.
- Q: The watch failed to pair with my phone.
- A: Check that Bluetooth is enabled on your phone and that the "G Band" app is up-to-date. Ensure the watch is powered on and within range.
- Q: ECG reading is abnormal.
- A: Ensure the watch is worn firmly on your left wrist and kept still during the measurement. Make sure your right middle finger is gently pressing the button at the bottom of the wristband, with both electrode contacts touching simultaneously. Do not press too hard. If the test fails, try moistening the skin at the contact point with salt water and retest.
8. Specifications
| Feature | Specification |
|---|---|
| Product Model | VIGOR |
| Brand | VALDUS |
| Waterproof Grade | 1ATM (Professional Waterproof) |
| G-Sensor | 6-Axis Sensor (Bosch 270) |
| PPG Heart Rate Sensor | HX3917 + Jufei RA2325 |
| Battery Capacity | 220mAh |
| Typical Usage Time | 7–10 Days |
| Intensive Usage Time | 5–7 Days |
| Standby Time | 20 Days |
| Case Material | Zinc Alloy |
| Strap Material | Nylon |
| Bluetooth Version | 5.3 |
| Mobile System Compatibility | iOS 13.0 or Later / Android 8.0 or Later |
| Band Length | 267mm |
| Band Width | 20mm |
| Weight | 256g |
| Certification | CE |
9. User Tips
- For accurate health monitoring, ensure the device is worn snugly on your wrist, about 2-3 cm above the wrist bone, with sensors making firm contact with your skin.
- When performing ECG or blood pressure measurements, remain still and calm for at least 5 minutes prior to and during the test. Avoid eating, smoking, taking medication, or consuming caffeine for 2 hours before the test.
- If you encounter issues with device search or pairing, double-check that the wristband is powered on and Bluetooth is active on your phone. Ensure the "G Band" app is updated to the latest version.
- The measured data from the smart bracelet is for reference only and should not be compared with professional medical equipment for diagnostic purposes.
10. Warranty and Support
The VALDUS VIGOR Smart Bracelet comes with a 12-Month Limited Warranty. Please refer to the Product Warranty Card included in your package for detailed terms and conditions.
For technical support or warranty claims, please contact VALDUS customer service through the channels provided on your warranty card or the official VALDUS website.
A digital version of the user manual (PDF) is available for download. You can view it here.