1. Introduction
The COLMI P78 is a feature-rich smartwatch designed to enhance your daily life with advanced health monitoring, communication capabilities, and fitness tracking. It boasts a stunning 1.95-inch HD AMOLED display, Bluetooth calling, and a durable IP67 waterproof rating. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your COLMI P78 smartwatch.

2. Package Contents
Please check the package contents upon unboxing:
- COLMI P78 Smartwatch
- Charging Cable (Magnetic)
- User Manual (this document, also available as PDF)
3. Setup Guide
3.1 Charging the Smartwatch
Before first use, fully charge your COLMI P78 smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port.
- Charging Method: Magnetic charging
- Charging Time: Approximately 2-3 hours for a full charge.

3.2 App Installation and Pairing
To unlock the full potential of your COLMI P78, download and install the companion app on your smartphone.
- 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.
- Register/Login: Open the DA FIT app and follow the on-screen instructions to create an account or log in.
- Add Device: In the app, navigate to the "Device" or "Add Device" section.
- Pairing: Ensure Bluetooth is enabled on your smartphone. The app will search for available devices. Select "COLMI P78" from the list to initiate pairing.
- Confirmation: Follow any prompts on both your phone and the smartwatch to confirm the pairing.

3.3 Wearing the Smartwatch
Wear the smartwatch comfortably on your wrist, about one finger's width from your wrist bone. Ensure the sensor on the back is in contact with your skin for accurate health monitoring.

4. Operating Instructions
4.1 Basic Navigation
- Touch Screen: Swipe left, right, up, or down to navigate through menus and functions. Tap to select.
- Rotating Crown: Turn the crown to scroll through application icons or lists. Press the crown to return to the home screen or confirm selections.

4.2 Key Features
- Bluetooth Calling: Once paired, you can answer, dial, and reject calls directly from your watch. View call records and stay connected without reaching for your phone.
- Flashlight: Activate the built-in flashlight function for convenient illumination in dark environments.
- Health Monitoring:
- Heart Rate: Continuously monitors your heart rate. The app provides timely reminders for irregular heart rates.
- Blood Oxygen (SpO2): Measures blood oxygen saturation. The app can provide vibration reminders if levels are too low.
- Blood Pressure: Supports 24-hour blood pressure monitoring with one-click measurement.
- Sleep Monitoring: Tracks sleep stages (deep, light, REM) and provides analysis in the app to help improve sleep habits.
- Stress Monitor: Helps you understand and manage your stress levels.
- Sports Modes: Supports over 100 sports modes, including outdoor running, cycling, mountain climbing, and yoga. The watch accurately monitors heart rate, calorie consumption, and exercise duration.
- Message Notifications: Receive real-time notifications for incoming calls, text messages, and app alerts (WeChat, WhatsApp, Facebook, Twitter, etc.) directly on your wrist.
- Music Control: Connect to your phone via Bluetooth to control music playback directly from your smartwatch.
- Women's Health: Based on intelligent AI algorithms, the watch provides comprehensive predictions and thoughtful reminders for menstrual cycles, ovulation, and pregnancy.
- Customizable Dials: Choose from over 200 personalized watch faces to match your style.
- Other Applications: Includes features like drink water reminders, weather forecasts, camera control, phone search, sedentary reminders, smart stopwatch, and more.




5. Maintenance
5.1 Waterproofing
The COLMI P78 smartwatch features an IP67 professional waterproof rating. This means it is resistant to splashes, rain, and can be worn during hand washing or bathing. However, it is not recommended for diving or prolonged submersion in water. Avoid exposure to hot water or steam.

5.2 Cleaning and Care
- Regularly clean the watch body and strap with a soft, damp cloth.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
- Avoid using harsh chemicals or abrasive materials for cleaning.
- The band is made of Silica Gel and is detachable for easy cleaning or replacement.
6. Troubleshooting
If you encounter any issues with your COLMI P78 smartwatch, please refer to the following common solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the magnetic charger and wait a few minutes before attempting to power it on again.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the DA FIT app is installed and running.
- Restart both your phone and the smartwatch.
- Try unpairing and re-pairing the device through the DA FIT app.
- Inaccurate health data:
- Ensure the watch is worn snugly on your wrist, with the sensors in proper contact with your skin.
- Avoid excessive movement during measurements.
- Clean the sensor area on the back of the watch.
- Notifications not received:
- Check if the watch is properly connected to your phone via Bluetooth.
- Verify notification permissions for the DA FIT app in your phone's settings.
- Ensure notifications are enabled within the DA FIT app for the desired applications.
- Short battery life:
- Reduce screen brightness.
- Limit continuous heart rate monitoring or frequent use of power-intensive features like Bluetooth calling.
- Ensure the watch is fully charged.
For further assistance, please contact ColMi customer support or refer to the official user manual PDF.
7. Specifications
The following table outlines the technical specifications of the COLMI P78 Smartwatch:
| Feature | Specification |
|---|---|
| Brand | ColMi |
| Model | P78 |
| Display Size | 1.95 inches |
| Screen Material | AMOLED |
| Resolution | 410*502 |
| Touch Screen | Yes (Full screen touch) |
| CPU Model | REALTEK8763E |
| Bluetooth Version | 5.2 |
| Waterproof Grade | Professional Waterproof (IP67) |
| Battery Capacity | 340mAh |
| Battery Life (Normal Use) | 5-7 days |
| Battery Life (Standby) | 30 days |
| Charging Method | Magnetic charging |
| Watch Dimensions | 53.2*37.45*10.7mm |
| Watch Weight | 30g |
| Band Width | 22mm |
| Band Material | Silica Gel |
| App Name | DA FIT |
| Compatibility | All Compatible (Android, iOS) |
| Supported Languages | English, Russian, Spanish, Portuguese, Italian, French, German, Korean, Japanese, Ukrainian, Arabic |
| Certifications | CE, FCC, RoHS |

8. Warranty and Support
Your COLMI P78 Smartwatch comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual.
For warranty claims, technical support, or any inquiries, please contact the ColMi official store where you purchased the product. You can also refer to the official user manual available in PDF format for more detailed information.
Official User Manual (PDF): A detailed user manual in PDF format is available for download. This document provides comprehensive instructions and additional information not covered in this summary. You can access it via the seller's product page or by contacting customer support.






