Introduction
This manual provides essential information for the proper use and maintenance of your Blitzwolf BW-AT2C Smartwatch. Please read these instructions carefully before using the device to ensure optimal performance and longevity. This smartwatch features Bluetooth calling, comprehensive health monitoring, various sports modes, and smart notifications.

Image: Front view of the Blitzwolf BW-AT2C Smartwatch, displaying a digital watch face with time, date, battery, and step count.
Product Overview
The Blitzwolf BW-AT2C Smartwatch is designed for daily use, fitness tracking, and communication. It features a durable build and a clear display.
- Display: 1.3-inch IPS full touch screen.
- Control: Full touch screen and two side buttons.
- Sensors: Heart rate, blood pressure, blood oxygen, pedometer, sleep monitor.
- Connectivity: Bluetooth 5.0 for calls and data synchronization.
- Durability: IP54 water resistance.

Image: The smartwatch displaying weather information, highlighting its robust design and metal buttons.

Image: Rear view of the smartwatch, showing the optical heart rate sensor and magnetic charging contacts, along with the model number BW-AT2C.
Setup
1. Charging the Device
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 screen will indicate charging status. A full charge takes approximately 2 hours.
2. App Installation and Pairing
- Download the App: Search for "Da Fit" in your smartphone's app store (Google Play Store for Android or Apple App Store for iOS) and install it.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open Da Fit App: Launch the "Da Fit" application on your smartphone.
- Add Device: In the app, navigate to the "Device" section and select "Add Device". The app will search for available devices.
- Select Your Watch: Choose "BW-AT2C" from the list of found devices to initiate pairing.
- Confirm Pairing: Follow any on-screen prompts on both your phone and watch to confirm the pairing.
- Enable Call Function: For the Bluetooth call feature, you may need to pair the watch a second time through your phone's Bluetooth settings. Look for "BW-AT2C_CALL" or similar in your phone's Bluetooth device list and connect to it.
Note: For full functionality, ensure the "Da Fit" app has all necessary permissions (e.g., location, notifications, contacts) enabled on your smartphone.
Operating Instructions
Basic Navigation
- Touch Screen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: The top button typically acts as a power/wake button and a back button. The bottom button may be a shortcut to sports modes or other functions, depending on customization.
- Wake Screen: Raise your wrist or press a side button to wake the screen.
- Brightness Adjustment: Adjust screen brightness through the watch settings or the Da Fit app for better visibility in various lighting conditions.
- Custom Watch Faces: Change watch faces directly on the watch or via the Da Fit app. You can also customize watch faces with your own photos.

Image: The smartwatch displaying multiple customizable watch faces and options for brightness adjustment.
Making and Receiving Calls
The BW-AT2C allows you to make and receive calls directly from your wrist after successful Bluetooth pairing (including the call function pairing).
- Receiving Calls: When a call comes in, the watch will display the caller ID. You can answer or reject the call directly from the watch screen.
- Making Calls: Access the dial pad or contact list on the watch to initiate a call.

Image: A comparison showing the BW-AT2C model with its Bluetooth call function (dial pad visible) next to the BW-AT2 model without this feature.
Music Control
Control music playback on your smartphone directly from your watch. Functions include play, pause, skip forward, and skip backward.
Health Monitoring
The smartwatch continuously monitors various health metrics.
- Heart Rate: Real-time heart rate monitoring. View your current heart rate and historical data in the app.
- Blood Pressure: Measure your blood pressure on demand.
- Blood Oxygen (SpO2): Monitor your blood oxygen saturation levels.
- Sleep Monitoring: Tracks your sleep patterns, including deep sleep, light sleep, and wake times.
- Pedometer: Counts your daily steps, distance, and calories burned.

Image: The smartwatch screen showing a graph of heart rate data, indicating current BPM and historical trends.
Sports Modes
The watch supports multiple sports modes to track your workouts accurately. Available modes include Walking, Running, Cycling, Skipping Rope, Badminton, Basketball, and Football. Select your desired mode before starting an activity to record relevant data.
Notifications
Receive notifications from your smartphone directly on your watch. This includes call reminders, message alerts, and app notifications from platforms like WhatsApp, Instagram, Facebook, and Twitter. Ensure notification permissions are granted in the Da Fit app and your phone's settings.

Image: The smartwatch on a user's wrist, showing an incoming call alert and SMS reminder, indicating its notification capabilities.
Other Features
- Alarm Clock: Set up to three alarms via the app.
- Stopwatch: Use the built-in stopwatch for timing activities.
- Sedentary Reminder: The watch will alert you if you remain inactive for too long.
- Remote Camera Control: Use your watch as a remote shutter for your phone's camera.
- Find Watch/Find Phone: Locate your watch or phone using the respective functions in the app or on the watch.
- Calendar: Access calendar information.
Maintenance
- Cleaning: Wipe the watch and strap regularly with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and dry thoroughly. Avoid harsh chemicals.
- Water Resistance (IP54): The BW-AT2C is IP54 water-resistant, meaning it is protected against dust ingress and splashing water from any direction. It is suitable for daily use like hand washing or light rain. Do not submerge the watch in water, wear it while swimming, showering, or in saunas. Prolonged exposure to water or high-pressure water jets may cause damage.
- Charging Contacts: Keep the magnetic charging contacts clean and dry to ensure proper charging.
- Storage: Store the watch in a cool, dry place when not in use.
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 are not received. |
|
| Call function not working. | Ensure you have paired the "BW-AT2C_CALL" device in your phone's Bluetooth settings in addition to the main watch pairing. |
| Inaccurate health data. | Ensure the watch is worn snugly on your wrist, not too tight or too loose. Keep the sensor clean. Note that this device is not a medical device and data is for reference only. |
Specifications

Image: Diagram illustrating the dimensions of the Blitzwolf BW-AT2C Smartwatch, including watch face diameter, strap width, and total length.
| Feature | Detail |
|---|---|
| Brand | Blitzwolf |
| Model | BW-AT2C |
| Color | Black |
| Bluetooth Version | 5.0 |
| Compatible OS | Android 4.4+ / iOS 8.0+ |
| Operation Mode | Full Touch Screen + 2 Side Buttons |
| Companion App | Da Fit |
| Water Resistance | IP54 |
| Health Monitoring | Heart Rate, Blood Pressure, Blood Oxygen, Sleep, Pedometer |
| Sports Modes | Walking, Running, Cycling, Skipping Rope, Badminton, Basketball, Football |
| Screen Size | 1.3 inch IPS |
| Resolution | 240 x 240 pixels |
| Battery Capacity | 400mAh |
| Standby Time | Approx. 30 days |
| Usage Time | Approx. 4-7 days (varies by usage) |
| Charging Time | Approx. 2 hours |
| Charging Type | Magnetic Charging |
| Strap Material | Silicone |
| Strap Width | 22mm (Removable) |
| Product Dimensions | 52 x 12 mm (Watch Face) |
| Product Weight | 55 grams |
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Blitzwolf website. Keep your proof of purchase for warranty claims.
If you encounter issues not covered in the troubleshooting section, please contact customer support for assistance.





