1. Introduction
Welcome to the VALDUS VS41 Pro Smartwatch user manual. This guide provides detailed instructions on how to set up, operate, and maintain your new smartwatch. The VS41 Pro features an AMOLED HD display, Bluetooth calling, comprehensive health monitoring, and various sports modes, designed to enhance your daily life and fitness journey.
2. What's in the Box
Upon opening your VALDUS VS41 Pro Smartwatch package, you should find the following items:
- VALDUS VS41 Pro Smartwatch
- Charging Cable
- User Manual (this document)

3. Specifications
| Feature | Specification |
|---|---|
| Product Model | VS41 Pro |
| Display | 1.93-inch AMOLED HD Display |
| Resolution | 488*368 pixels |
| Bluetooth Version | 5.3 / BT3.0 |
| Memory (Flash Storage) | 128MB |
| Battery Capacity | 280mAh |
| Battery Life | 7-10 Days (typical usage) |
| Waterproof Rating | 1ATM (Life Waterproof) |
| Case Material | PC |
| Strap Material | Silicone |
| Mobile System Compatibility | iOS 9.0 or later / Android 5.0 or later |
| App Name | Da Fit / Valdus Fit |
| Metrics Measured | Heart Rate, Blood Oxygen, Sleep, Blood Pressure, Women's Health |
| Activity Tracked | Steps, Distance, Calories |
| Voice Assistant | Yes |
| NFC | Yes |

4. Setup Guide
4.1. Charging the Smartwatch
Before initial use, fully charge your smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. The watch display will indicate charging status.
4.2. App Installation
To unlock the full potential of your VS41 Pro, download and install the companion app:
- Scan the QR code in the quick start guide or search for "Da Fit" or "Valdus Fit" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the app on your smartphone.
4.3. Pairing with Your Smartphone
Ensure Bluetooth is enabled on your smartphone.
- Open the Da Fit/Valdus Fit app on your smartphone.
- Follow the on-screen instructions to create an account or log in.
- In the app, navigate to the device section and select "Add Device" or a similar option.
- The app will search for nearby devices. Select "VS41 Pro" from the list.
- Confirm the pairing request on both your smartphone and the smartwatch.
- Once paired, the watch will synchronize data with the app.
5. Operating Instructions
5.1. Basic Navigation
The VS41 Pro features a full touch screen and a side button for navigation:
- Swipe Up/Down: Scroll through menus and notifications.
- Swipe Left/Right: Access quick functions or different screens.
- Tap: Select an item or confirm an action.
- Press Side Button: Return to the home screen or wake up the display.
- Long Press Side Button: Power on/off or access system options.
5.2. Customizing Watch Faces
You can change the watch face directly from the smartwatch or through the app:
- On Watch: Long press on the current watch face, then swipe left or right to browse available faces. Tap to select.
- Via App: Open the Da Fit/Valdus Fit app, go to the 'Watch Faces' section, and choose from a wide variety of designs or create a custom one.
5.3. Bluetooth Calling
Once paired, you can make and receive calls directly from your smartwatch:
- Answering Calls: When a call comes in, tap the green answer icon on the watch screen.
- Making Calls: Access the 'Phone Call' or 'Dial Pad' function on your watch, then dial the number or select from your contacts.

5.4. Health Monitoring
The VS41 Pro continuously monitors various health metrics:
- Heart Rate: Access the heart rate monitor function on the watch to view real-time and historical data.
- Blood Oxygen (SpO2): Initiate a blood oxygen measurement from the watch.
- Sleep Monitoring: Wear the watch to bed to track your sleep patterns and stages.
- Blood Pressure: Use the dedicated blood pressure monitoring feature.
- Female Cycle: Track and predict your menstrual cycle through the app.
Detailed graphs and historical data for all health metrics can be viewed in the Da Fit/Valdus Fit app.



5.5. Activity Tracking and Sports Modes
The smartwatch tracks your daily activity and supports over 100 sports modes:
- Daily Activity: View your steps, distance, and calories burned on the watch or in the app.
- Sports Modes: Select a specific sport (e.g., Walking, Running, Cycling, Swimming) from the watch's menu to track your performance during that activity.


5.6. Notifications and Alerts
Receive notifications from your smartphone directly on your wrist:
- Ensure notification permissions are granted to the Da Fit/Valdus Fit app on your smartphone.
- The watch supports notifications for calls, SMS, and various social media apps like WeChat, QQ, Facebook, Twitter, Instagram, Skype, and WhatsApp.
5.7. Other Features
The VS41 Pro includes several convenient features:
- Voice Assistant: Activate the voice assistant for hands-free control.
- Music Control: Control music playback on your smartphone.
- Weather Forecast: Get real-time weather updates.
- Stopwatch & Timer: Essential tools for timing activities.
- Flashlight: A quick access flashlight function.
- Find Phone/Watch: Locate your paired device.
- NFC: Utilize NFC for compatible functions (check local availability and setup).
- Password Lock: Secure your watch with a password.
- Games: Enjoy simple games on your wrist.
- Do Not Disturb Mode: Silence notifications during specific times.
- Raise Wrist to Light Up Screen: Automatically activate the display when you raise your wrist.



6. Maintenance
6.1. Cleaning and Care
- Wipe the watch and strap regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials, as they may damage the watch's finish.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
6.2. Waterproof Information
The VALDUS VS41 Pro has a 1ATM waterproof rating. This means it is resistant to splashes, rain, and can be worn during activities like sweating during exercise or washing hands. It is not suitable for swimming, diving, or high-pressure water activities.

6.3. Battery Longevity
To maximize battery life (up to 7-10 days), consider the following:
- Reduce screen brightness.
- Disable unnecessary notifications.
- Use power-saving mode when available.
- Avoid extreme temperatures.
7. Troubleshooting
7.1. Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Try a long press (5-10 seconds) on the side button to power it on.
7.2. Unable to Pair with Phone
- Make sure Bluetooth is enabled on your phone and the watch.
- Ensure the watch is within range of your phone.
- Restart both your phone and the smartwatch.
- Clear the Bluetooth cache on your phone (Android) or forget the device in Bluetooth settings (iOS) and try pairing again.
- Ensure the Da Fit/Valdus Fit app has all necessary permissions.
7.3. Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Keep the sensor on the back of the watch clean.
- Avoid excessive movement during measurements.
- Note that smartwatches are not medical devices; readings are for reference only.
7.4. Notifications Not Appearing
- Check if Bluetooth is connected.
- Verify that notification permissions are enabled for the Da Fit/Valdus Fit app in your phone's settings.
- Ensure 'Do Not Disturb' mode is not active on either your phone or watch.
- Check app-specific notification settings within the Da Fit/Valdus Fit app.
8. User Tips
- For a smooth experience, ensure your smartwatch has a stable Bluetooth connection with your phone.
- Take advantage of the 5-7 day long battery life by optimizing settings like screen brightness.
- Explore the over 100 sports modes to accurately track various physical activities.
- Utilize the NFC functionality for convenient payments or other compatible features where available.
- The screen is smooth and responsive; enjoy customizing watch faces for a personalized look.
9. Warranty and Support
Your VALDUS VS41 Pro Smartwatch comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or any inquiries regarding your product, please contact VALDUS customer service through the official website or the contact information provided in your warranty documentation.