1. Product Overview
The GUCABE K28N Smartwatch is a robust and versatile wearable device designed for active lifestyles. It features comprehensive health monitoring, multiple sports modes, Bluetooth calling capabilities, and smart notifications, all housed in a durable, military-grade waterproof design.
Image 1.1: The GUCABE K28N Smartwatch, featuring a silver bezel and black silicone strap.
Image 1.2: GUCABE Smartwatches in silver and black, highlighting their suitability for outdoor activities.
2. Key Features
- Accurate Health Monitoring: Equipped with an updated VC31 dynamic heart rate detection sensor for all-day heart rate monitoring, blood pressure, and SpO2 tracking.
- Sleep Monitoring: Provides comprehensive analysis of sleep stages (light and deep sleep).
- 13 Exercise Modes: Tracks steps, distance, and calories across various activities including running, walking, cycling, jumping, basketball, football, and badminton.
- Bluetooth Call & Message Notifications: Supports answering calls and dialing directly from the watch. Receives notifications from SMS, Facebook, WhatsApp, Twitter, Instagram, and more.
- Customizable Watch Faces: Over 100 watch faces available, with options to personalize.
- Music Control: Bluetooth music playback and control directly from the watch.
- Long Battery Life: 360mAh battery provides 5-7 days of working time or 15-20 days of standby on a 2-hour charge.
- Additional Features: Weather reports, multi-language support, stopwatch, alarm clock, timer, remote camera control, sedentary reminder, female physiological period reminder, and games.
- Durability: IP67 water resistance and military-grade standard design.
Image 2.1: Visual representation of the smartwatch's health and activity tracking features.
3. Setup Instructions
3.1. App Download and Installation
To fully utilize your GUCABE K28N Smartwatch, you need to download and install the companion application, "Da Fit", on your smartphone.
- Search for "Da Fit" in the Google Play Store (for Android) or Apple App Store (for iOS).
- Alternatively, scan the QR code provided in the manual or on the product packaging to download the app. You can also visit http://plus.crrepa.com/app-download/mband.
- Install the "Da Fit" app on your smartphone.
3.2. Connecting the Smartwatch
Follow these steps to connect your GUCABE K28N Smartwatch to your smartphone:
- Ensure your phone's Bluetooth is turned on.
- Open the "Da Fit" app on your phone.
- In the app, navigate to the device section and tap "ADD A DEVICE".
- The app will search for nearby devices. Select "K28N" from the list to pair.
- Once paired, the watch will synchronize data with the app.
3.3. Enabling Bluetooth Dial Call Function
To use the Bluetooth call feature, an additional connection is required:
- On your K28N smartwatch, go to "Settings" and enable the "Phone: On" option.
- On your smartphone, go to your phone's Bluetooth settings.
- Find the Bluetooth device named "K28N_XXXX" (where XXXX is a unique identifier) and tap to connect.
- Once connected, your K28N is ready for Bluetooth Dial Calls.
Image 3.1: Visual guide for connecting the smartwatch and enabling Bluetooth call functionality.
4. Operating Instructions
4.1. Health Monitoring
The K28N smartwatch continuously monitors various health metrics:
- Heart Rate: Access the heart rate interface on the watch to view your current heart rate. The app provides historical data and analysis.
- Blood Pressure & SpO2: Navigate to the respective interfaces to take measurements. Ensure the watch is snug on your wrist for accurate readings.
- Sleep Tracking: Wear the watch to bed for automatic sleep monitoring. The app will display your sleep duration, light sleep, and deep sleep patterns.
Image 4.1: The smartwatch monitoring heart rate and blood pressure during exercise.
Image 4.2: The smartwatch tracking sleep patterns, differentiating between light and deep sleep.
4.2. Sports Modes
The K28N offers 13 dedicated sports modes to track your workouts:
- Select your desired sport from the watch's menu.
- The watch will record data such as steps, distance, calories burned, and heart rate during your activity.
- Review detailed activity reports in the "Da Fit" app.
Image 4.3: The smartwatch's interface displaying various sport modes and activity data.
4.3. Bluetooth Calls and Message Notifications
Once connected via Bluetooth, you can manage calls and messages directly from your wrist:
- Making Calls: Use the dial pad on the watch or access your contacts to initiate calls.
- Receiving Calls: Answer or reject incoming calls directly from the watch. The built-in speaker and microphone allow for hands-free communication.
- Message Notifications: Receive alerts for SMS, social media apps (Facebook, WhatsApp, etc.), and other notifications. You can view the message content on the watch screen.
Image 4.4: The smartwatch's call interface, showing incoming call details and a dial pad.
Image 4.5: Smartwatch screens showing notifications from popular messaging and social media apps.
4.4. Music Control
Control your smartphone's music playback directly from your K28N smartwatch:
- Open the music player on your phone.
- Access the music control interface on your watch.
- You can play, pause, skip tracks, and adjust volume.
Image 4.6: The smartwatch's music control screen, allowing playback management.
4.5. Weather Display
View real-time weather forecasts on your watch:
- Ensure your watch is connected to the app and your phone has an active internet connection.
- Navigate to the weather interface on the watch to see current conditions and forecasts.
Image 4.7: The smartwatch displaying weather information, useful for outdoor activities.
4.6. Other Functions
The smartwatch includes several other useful features:
- Alarm Clock: Set alarms through the app or directly on the watch.
- Remote Camera Control: Use your watch as a remote shutter for your phone's camera.
- Sedentary Reminder: Get alerts to move after periods of inactivity.
- Female Physiological Period Reminder: Track and predict menstrual cycles (configured in the app).
- Stopwatch & Timer: Basic timing functions.
- Games: Enjoy simple games on your wrist.
5. Customization
5.1. Watch Face Customization
Personalize your smartwatch with a variety of watch faces:
- The "Da Fit" app offers over 100 different watch faces to choose from.
- You can also upload your own photos to create custom watch faces.
- Access the watch face settings in the app to browse and apply new designs.
Image 5.1: The app interface for selecting and customizing watch faces.
6. Maintenance
To ensure the longevity and optimal performance of your GUCABE K28N Smartwatch, follow these maintenance guidelines:
- Cleaning: Regularly wipe the watch screen and strap with a soft, dry cloth. If necessary, use a slightly damp cloth and then dry thoroughly. Avoid harsh chemicals or abrasive materials.
- Water Resistance: The watch is IP67 water-resistant, meaning it can withstand splashes, rain, and brief immersion in shallow water. However, it is not recommended for swimming, hot showers, or diving. Avoid exposure to hot water or steam.
- Charging: Use the provided charging cable. Ensure the charging contacts on the watch and cable are clean and dry before charging. Do not overcharge the device.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
- Avoid Impact: While designed to be durable, avoid dropping the watch or subjecting it to strong impacts.
7. Troubleshooting
If you encounter issues with your GUCABE K28N Smartwatch, try the following solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot connect to phone:
- Make sure Bluetooth is enabled on your phone.
- Ensure the "Da Fit" app is running and has necessary permissions.
- Restart both your phone and the smartwatch.
- Forget the device in your phone's Bluetooth settings and try pairing again through the app.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Avoid excessive movement during measurements.
- Notifications not received:
- Check app notification permissions on your phone.
- Ensure the watch is connected to the phone.
- Verify that notification alerts are enabled in the "Da Fit" app.
- Short battery life:
- Reduce screen brightness.
- Disable continuous heart rate monitoring if not needed.
- Limit frequent use of power-intensive features like Bluetooth calls.
- Watch frozen or unresponsive: Try restarting the watch by pressing and holding the power button, or if available, a soft reset option in the settings.
If problems persist, refer to the "Da Fit" app's help section or contact GUCABE customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | K28N |
| Brand | GUCABE |
| Operating System | Android Wear (compatible with iOS 9.0+ and Android 4.4+) |
| Display Size | 1.32 Inches |
| Connectivity | Bluetooth, GPS |
| Water Resistance | IP67 |
| Battery Capacity | 360 mAh Lithium Polymer |
| Charging Time | Approx. 2 hours |
| Working Time | 5-7 days |
| Standby Time | 15-20 days |
| Product Dimensions | 27.5 x 6.4 x 3.1 cm |
| Product Weight | 181 g |
| Special Features | Military-grade standard, Bluetooth calls, Built-in speaker, 13 Sport modes, Heart rate monitor, Sleep monitor, Long standby, Weather forecast, Music control, Sedentary reminder, Remote camera, Alarm clock |
9. Warranty and Support
Your GUCABE K28N Smartwatch comes with a 12-month warranty covering manufacturing defects. This warranty provides for a money-back guarantee or replacement.
For technical support, warranty claims, or any questions regarding your device, please refer to the support section within the "Da Fit" application or contact GUCABE customer service through the retailer where you purchased the product.
