1. Pwodwi souview
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. Karakteristik kle
- Accurate Health Monitoring: Equipped with an updated VC31 dynamic heart rate detection sensor for all-day heart rate monitoring, blood pressure, and SpO2 tracking.
- Siveyans dòmi: Provides comprehensive analysis of sleep stages (light and deep sleep).
- 13 Mòd Egzèsis: 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, Instagbelye mouton, ak plis ankò.
- Montre figi personnalisable: Over 100 watch faces available, with options to personalize.
- Kontwòl Mizik: Bluetooth music playback and control directly from the watch.
- Long lavi batri: 360mAh battery provides 5-7 days of working time or 15-20 days of standby on a 2-hour charge.
- Karakteristik adisyonèl: Weather reports, multi-language support, stopwatch, alarm clock, timer, remote camera control, sedentary reminder, female physiological period reminder, and games.
- Dirab: IP67 water resistance and military-grade standard design.

Image 2.1: Visual representation of the smartwatch's health and activity tracking features.
3. Enstriksyon Enstalasyon
3.1. Telechaje ak Enstalasyon Aplikasyon an
To fully utilize your GUCABE K28N Smartwatch, you need to download and install the companion application, "Da Fit", sou telefòn entelijan ou.
- Chèche pou "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:
- Asire w ke Bluetooth telefòn ou an limen.
- 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.
- Yon fwa li konekte, mont lan ap senkronize done yo ak aplikasyon an.
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. Operasyon Enstriksyon
4.1. Siveyans Sante
The K28N smartwatch continuously monitors various health metrics:
- Batman kè: 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.
- Suivi dòmi: 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. Mòd Espò
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:
- Fè apèl: Use the dial pad on the watch or access your contacts to initiate calls.
- Resevwa apèl: Answer or reject incoming calls directly from the watch. The built-in speaker and microphone allow for hands-free communication.
- Notifikasyon mesaj: 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. Kontwòl Klas Mizik
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.
- Ou ka jwe, pran yon poz, sote mizik epi ajiste volim nan.

Image 4.6: The smartwatch's music control screen, allowing playback management.
4.5. Afichaj Meteo
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. Lòt Fonksyon
The smartwatch includes several other useful features:
- Revèy Alam: Set alarms through the app or directly on the watch.
- Kontwòl Kamera Remote: Sèvi ak mont ou kòm yon deklanchè a distans pou kamera telefòn ou an.
- Rapèl sedantèr: Resevwa alèt pou deplase apre peryòd inaktivite.
- Female Physiological Period Reminder: Track and predict menstrual cycles (configured in the app).
- Kronomèt ak revèy: Fonksyon debaz pou kontwole tan.
- Jwèt: Pran plezi ak jwèt senp sou ponyèt ou.
5. Personnalisation
5.1. Pèsonalizasyon Kadran Mont lan
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. Antretyen
To ensure the longevity and optimal performance of your GUCABE K28N Smartwatch, follow these maintenance guidelines:
- Netwayaj: Siye ekran mont lan ak braslè a regilyèman avèk yon twal mou epi sèk. Si sa nesesè, sèvi ak yon twal yon ti kras mouye.amp twal epi seche byen. Evite pwodui chimik ki agresif oswa materyèl abrazif.
- Rezistans dlo: 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.
- Chaje: 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.
- Depo: Sere mont lan nan yon kote ki fre epi sèk lè w pa ap itilize li. Evite tanperati ekstrèm.
- Evite enpak: While designed to be durable, avoid dropping the watch or subjecting it to strong impacts.
NAN. Depanaj
If you encounter issues with your GUCABE K28N Smartwatch, try the following solutions:
- Mont lan pa limen: Asire w ke mont lan chaje nèt. Konekte l nan plato a pou omwen 30 minit.
- Cannot connect to phone:
- Asire w ke Bluetooth pèmèt sou telefòn ou.
- Ensure the "Da Fit" app is running and has necessary permissions.
- Rekòmanse telefòn ou ak mont entelijan an.
- Bliye aparèy la nan paramèt Bluetooth telefòn ou an epi eseye konekte li ankò atravè aplikasyon an.
- Done sou sante ki pa egzak: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Avoid excessive movement during measurements.
- Notifikasyon ki pa resevwa:
- Tcheke pèmisyon notifikasyon aplikasyon an sou telefòn ou.
- Ensure the watch is connected to the phone.
- Verify that notification alerts are enabled in the "Da Fit" app.
- Kout lavi batri:
- Diminye klète ekran an.
- Dezaktive siveyans kontinyèl batman kè a si ou pa bezwen li.
- 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. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | K28N |
| Mak | GUCABE |
| Sistèm operasyon | Android Wear (compatible with iOS 9.0+ and Android 4.4+) |
| Gwosè ekspozisyon | 1.32 pous |
| Koneksyon | Bluetooth, GPS |
| Rezistans dlo | IP67 |
| Kapasite batri | 360 mAh Lityòm Polymère |
| Tan pou chaje | Apeprè. 2 èdtan |
| Tan travay | 5-7 jou |
| Tan sibstiti | 15-20 jou |
| Dimansyon pwodwi | 27.5 x 6.4 x 3.1 cm |
| Pwa pwodwi | 181 g |
| Karakteristik espesyal | 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. Garanti ak sipò
Your GUCABE K28N Smartwatch comes with a 12-mwa garanti 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.
