1. Introduction
Thank you for choosing the UHOOFIT Smartwatch P45. This manual provides essential information for setting up, operating, and maintaining your new smartwatch. Please read it carefully to ensure optimal performance and longevity of your device. The UHOOFIT P45 Smartwatch is designed to enhance your daily life with features like Bluetooth calling, comprehensive fitness tracking, and health monitoring.
2. What's in the Box
- UHOOFIT Smartwatch P45
- Silicone Strap (2 units, one pre-installed, one spare)
- Magnetic Charging Cable
- User Manual (this document)
3. Product Overview
The UHOOFIT Smartwatch P45 features a 1.8-inch color touchscreen display and a durable design. It includes a physical button/crown on the side for navigation and interaction. The back of the watch houses the charging contacts and various health sensors.
Key Features:
- 1.8-inch Color Touchscreen: Provides a clear and vibrant display for all information.
- Bluetooth Call Functionality: Make and receive calls directly from your wrist.
- 120+ Sports Modes: Track a wide range of physical activities.
- Health Monitoring: Includes blood oxygen (SpO2), heart rate, blood pressure, and sleep tracking.
- Message Notifications: Receive alerts from various social media and messaging apps.
- AI Voice Assistant: Interact with your device using voice commands.
- IP67 Water Resistance: Suitable for daily use and light water exposure.

Image: The UHOOFIT Smartwatch P45 features a large 1.8-inch color touchscreen display, shown here with multiple watch faces.
4. Setup
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).

Image: The smartwatch with its magnetic charging cable and an additional silicone strap.
4.2. Downloading and Installing the DaFit App
The DaFit app is essential for connecting your smartwatch to your smartphone and accessing all its features.
- Scan the QR code provided in the user manual or search for "DaFit" in your phone's app store (App Store for iOS, Google Play Store for Android).
- Download and install the DaFit app.
Note: Do not connect the smartwatch directly via your phone's Bluetooth settings before pairing through the DaFit app, as some functions may not be available.
4.3. Pairing the Smartwatch with Your Phone
- Ensure Bluetooth is enabled on your smartphone.
- Open the DaFit app and navigate to the "Add a device" section.
- The app will search for available devices. Select "P45" to connect.
- Confirm the pairing request on both your phone and the smartwatch.

Image: Visual guide for connecting the smartwatch to your phone using the DaFit app. This includes enabling Bluetooth, opening the app, adding the device, and confirming the connection. For app download, visit http://plus.crrepa.com/app-download/dafit.
4.4. Setting Up Bluetooth Call Functionality
To enable calling features, follow these steps after successful app pairing:
- On the smartwatch, swipe down from the home screen to access the control panel. Tap the "Call" icon to activate it.
- On your phone, go to Bluetooth settings. You should see "P45_PHONE" listed as an available device. Connect to it.
- Once connected, you can make and receive calls directly from your smartwatch.

Image: The smartwatch display showing options for phone calls, recent calls, dial pad, and contacts, along with an incoming call screen.
4.5. Adjusting Audio Playback Settings
If you experience issues with audio playback (e.g., calls or music playing through the watch instead of the phone), you can adjust the settings on your smartphone:
- For iOS: Swipe down from the top-right corner (or up from the bottom for older models) to open the Control Center. Tap the audio output icon and select "iPhone" to play audio through your phone, or "P45_PHONE" to play through the smartwatch.
- For Android: Swipe down from the top of the screen to open the quick settings panel. Tap the audio output option and select your phone's speaker for phone audio, or "P45_PHONE" for smartwatch audio.

Image: Screenshots demonstrating how to adjust audio playback settings on both iOS and Android devices, allowing users to choose between phone and smartwatch audio output.
5. Operating Instructions
5.1. Navigating the Interface
- Swipe Up: Access notifications.
- Swipe Down: Access quick settings/control panel.
- Swipe Left/Right: Cycle through widgets (e.g., activity, heart rate, weather).
- Press Side Button/Crown: Return to the home screen or open the main menu.
5.2. Changing Watch Faces
To customize your watch face:
- From the home screen, long-press the display.
- Swipe left or right to browse through available watch faces.
- Tap on a watch face to select it.
You can also customize watch faces further through the DaFit app, including uploading your own photos.

Image: The smartwatch displaying several customizable watch faces, including options to upload personal photos via the DaFit app.
5.3. Health Monitoring
The smartwatch offers comprehensive health tracking features:
- Heart Rate: Monitor your heart rate throughout the day.
- Blood Oxygen (SpO2): Measure your blood oxygen saturation levels.
- Blood Pressure: Track your blood pressure readings.
- Sleep Tracking: Analyze your sleep patterns and quality.
All health data can be viewed on the smartwatch and in detail within the DaFit app.

Image: A visual representation of the smartwatch's health tracking capabilities, including blood oxygen, blood pressure, heart rate, and sleep monitoring.
5.4. Sports Modes
The smartwatch supports over 120 sports modes to accurately track your workouts. Access these modes from the main menu to record data such as steps, distance, calories burned, and heart rate during exercise.

Image: The smartwatch interface showing a selection of its 120+ sports modes, including running, walking, cycling, and more.

Image: A user engaged in exercise, with the smartwatch displaying different sports modes such as walking, running, cycling, football, and badminton.
5.5. AI Voice Assistant
Activate the AI voice assistant with a single tap to perform various tasks, such as checking the weather or making calls.

Image: The smartwatch screen showing the AI Voice Assistant interface, with examples of voice commands like "Okay," "Today is cloudy, 20°C," "Call Juliana," and "How's weather today?"
5.6. Other Functions
- Weather Forecast: View current weather and forecasts directly on your wrist.
- Alarm Clock: Set alarms for reminders.
- Vibration Adjustment: Customize vibration settings for notifications.
- Games: Enjoy simple games available on the device.

Image: The smartwatch highlighting its multifunctional capabilities, including blood pressure monitoring, blood oxygen monitoring, sleep tracking, alarm clock, and vibration adjustment.
6. Maintenance
6.1. Water Resistance (IP67)
The UHOOFIT Smartwatch P45 is IP67 water-resistant, meaning it can withstand splashes, rain, and brief immersion in water. It is not recommended for swimming, showering with hot water, or diving. Avoid exposing the watch to hot water or steam.

Image: The smartwatch with water droplets, illustrating its IP67 waterproof rating.
6.2. Cleaning and Care
- Clean the watch and strap regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials.
- Ensure the charging contacts are clean and dry before charging.
7. Troubleshooting
7.1. Connection Issues
If your smartwatch fails to connect or maintain a connection with your phone:
- Ensure Bluetooth is enabled on your phone and the smartwatch.
- Make sure the DaFit app is running in the background.
- Try restarting both your phone and the smartwatch.
- If the issue persists, try resetting the smartwatch and re-pairing it with the app.
7.2. Language Change
The smartwatch's language should automatically synchronize with your phone's language settings once connected via the DaFit app. If not, check the language settings within the DaFit app.
7.3. How to Reset the Smartwatch
If you encounter persistent issues, performing a factory reset may resolve them. This will erase all data on the smartwatch.
- On the smartwatch, navigate to the system settings.
- Find the "Reset" option and confirm.
- After the reset, you will need to re-pair the smartwatch with your phone via the DaFit app.
8. Specifications
| Feature | Detail |
|---|---|
| Model | P45 |
| Dimensions | 16.5 x 7.1 x 2.7 cm; 130 g |
| Operating System | Android (compatible) |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | No integrated GPS (uses phone's GPS) |
| Target Audience | Adult Men and Women |
| Compatible Devices | Smartphone |
| Water Resistance Level | IP67 (Waterproof) |
| Interface Type | Touchscreen |
| Compatible Applications | Camera, Fitness Tracker, Phone |
9. Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official UHOOFIT website. Keep your proof of purchase for any warranty claims.