Introduction
This manual provides detailed instructions for the operation and maintenance of your Soudorv S50 Smart Watch. Please read this manual thoroughly before using the device to ensure proper function and to maximize your user experience.
What's in the Box
Upon unboxing your Soudorv S50 Smart Watch, verify that all components are present:
- Soudorv S50 Smart Watch
- Charging Cable
- User Manual (this document)
- Additional Watch Strap (if included in your package)

Image: Soudorv S50 Smart Watch, charging cable, and user guide.
Setup
1. Charging the Device
Before initial use, fully charge your Soudorv S50 Smart Watch.
- Connect the magnetic charging cable to the charging points on the back of the watch.
- Plug the USB end of the cable into a standard USB power adapter (5V/1A recommended) or a computer's USB port.
- A full charge typically takes approximately 2 hours. The watch features a 1000mAh battery, providing extended usage.

Image: Charging the Soudorv S50 Smart Watch.
2. App Installation and Pairing
To unlock the full functionality of your smart watch, download and install the companion application.
- Download the "Da Fit" App: Search for "Da Fit" in your smartphone's app store (Apple App Store for iOS or Google Play Store for Android) and install it.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open Da Fit App: Launch the "Da Fit" application and follow the on-screen instructions to create an account or log in.
- Add Device: In the app, navigate to the device section and select "Add Device" or a similar option. The app will search for available devices.
- Select Your Watch: Choose "Soudorv S50" or the corresponding device name from the list. Confirm the pairing request on both your watch and smartphone.
- Complete Setup: Follow any remaining prompts in the app to complete the pairing process and synchronize your watch.
The watch is compatible with iOS 9.0 and Android 9.0 and above.
Operating Instructions
Basic Navigation
- Touch Screen: Swipe left, right, up, or down to navigate through menus and functions. Tap to select.
- Side Buttons: Use the physical buttons on the side of the watch for quick access to certain features or to return to the home screen.
Bluetooth Calling and Notifications
The Soudorv S50 supports Bluetooth 5.3 for stable call quality and smart notifications.
- Making/Answering Calls: Once paired, you can make, answer, or reject calls directly from your wrist using the built-in microphone and HD speaker. Sync your contacts through the Da Fit app.
- Smart Notifications: Receive real-time message notifications from various applications such as Facebook, WhatsApp, Instagram, and Twitter. Note: Message replies are not supported directly from the watch.

Image: Bluetooth call and notification features on the Soudorv S50 Smart Watch.
Built-in LED Flashlight
The watch includes a bright LED flashlight with a lighting distance of up to 5 meters.
- Activation: Access the flashlight function through the watch's menu or a designated shortcut.
- Usage: Useful for night activities, emergency lighting, or finding objects in low-light conditions.

Image: Using the built-in LED flashlight on the Soudorv S50 Smart Watch.
Customization and Other Functions
- Watch Faces: Choose from over 100 customizable watch faces in the "Da Fit" app or upload your own photos to personalize the 1.53-inch HD touch screen.
- Practical Functions: Access features such as timer, stopwatch, weather forecast, music control, remote camera shutter, alarm clock, and "Find My Phone" directly from the watch.

Image: Customizable watch faces on the Soudorv S50 Smart Watch.

Image: Overview of practical functions available on the Soudorv S50 Smart Watch.
Health Monitoring
The Soudorv S50 Smart Watch provides comprehensive health tracking features.
- Heart Rate Monitoring: Tracks your heart rate trends throughout the day.
- Stress Level Monitoring: Monitors daily stress levels.
- Sleep Tracking: Analyzes sleep patterns, including deep sleep, light sleep, and awake time.
- Menstrual Cycle Logging: A feature for recording menstrual cycle data.
Note: This device is intended for general wellness and fitness purposes only and is not a medical device.

Image: 24/7 Health Monitoring features of the Soudorv S50 Smart Watch.

Image: Sleep tracking functionality of the Soudorv S50 Smart Watch.
Sports Modes and Durability
The Soudorv S50 is designed for active lifestyles and offers robust features for sports and outdoor activities.
- 110+ Sports Modes: Supports a wide range of indoor and outdoor activities including running, cycling, hiking, yoga, skipping rope, and skiing. It accurately tracks steps, distance, and calories burned.
- IP68 Waterproof Rating: Protected against rain and suitable for hand washing. Note: Not recommended for swimming or diving.
- Rugged Design: Passed 12 military-grade tests for durability, offering resistance to dust, mud, and extreme environments.

Image: Soudorv S50 Smart Watch supporting over 110 sports modes.

Image: Military-grade durability features of the Soudorv S50 Smart Watch.
Maintenance
- Cleaning: Wipe the watch screen and strap regularly with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild soap, then rinse and dry thoroughly.
- Water Exposure: While IP68 waterproof, avoid prolonged submersion, hot water, or chemical exposure which can degrade the seal. Dry the watch completely after exposure to water.
- Charging: Ensure the charging contacts on the watch and cable are clean and dry before charging to prevent corrosion.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
Troubleshooting
| Problem | Solution |
|---|---|
| Watch does not turn on | Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes. |
| Cannot pair with smartphone |
|
| Notifications not received |
|
| Inaccurate health/fitness data |
|
| Short battery life |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | S50 |
| Brand | Soudorv |
| Screen Size | 1.53 Inches |
| Display Type | LCD (HD Touch Screen) |
| Battery Capacity | 1000 mAh Lithium Polymer |
| Battery Life | Up to 18 days (daily use), 50 days (standby) |
| Charging Time | Approx. 2 hours |
| Connectivity | Bluetooth 5.3 |
| Water Resistance | IP68 |
| Operating System | Android Wear 1.0 (Note: This refers to the underlying OS, not full Android Wear functionality.) |
| Compatible Devices | iOS 9.0+ and Android 9.0+ smartphones |
| Health Metrics | Heart Rate, Stress, Sleep, Menstrual Cycle |
| Sports Modes | 110+ |
| Special Features | Built-in LED Flashlight, Bluetooth Calling, Customizable Watch Faces |
Warranty and Support
- Warranty: The product comes with a 1-month return policy for quality problems and a 2-year warranty.
- Customer Support: For any questions, technical assistance, or warranty claims, please contact Soudorv customer support through the retailer where you purchased the product or visit the official Soudorv website for contact information.