1. Introduction
The Nerunsa P66D Smart Watch is a versatile wearable device designed to enhance your daily life with smart features and health tracking capabilities. It offers seamless Bluetooth calling, comprehensive health monitoring, and a wide array of sports modes, all presented on a vibrant 1.85-inch HD touch screen.

Image: Nerunsa P66D Smart Watch overview.
Video: An overview of the Nerunsa P66D Smart Watch features.
2. What's in the Box
- Nerunsa P66D Smart Watch
- Magnetic charging cable
- English user manual

Image: Visual representation of the smart watch, charging cable, and user manual included in the package.
3. Setup and Initial Pairing
3.1 Charging the Smart Watch
Before first use, fully charge your smart watch. 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 USB port. A full charge typically takes about 2 hours.

Image: Illustrates the magnetic charging cable connection and estimated battery life (7 days daily use, 30 days standby).
3.2 App Installation and Pairing
To unlock the full potential of your Nerunsa P66D Smart Watch, you need to install the "GloryFit" application on your smartphone. The app is compatible with Android 5.0 and above, and iOS 13.0 and above.
- Download the "GloryFit" app from your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Ensure Bluetooth is enabled on your smartphone.
- Open the "GloryFit" app. Navigate to the "Device" section at the bottom and select "Add a device".
- The app will search for nearby devices. Select "P66D" from the list to initiate pairing.
- Follow the on-screen prompts to confirm pairing. You may need to click "Pair" on a Bluetooth pairing request pop-up and "Allow" for notifications.
- For iOS 13.0 and below, after the initial pairing, go to your phone's Bluetooth settings, find P66D, and ensure it's connected for audio functions (calls).

Image: Step-by-step guide for connecting the smart watch to your phone using the GloryFit app.
Video: Demonstrates how to connect and disconnect the smart watch with your phone.
4. Operating the Smart Watch
4.1 Basic Navigation and Display
The P66D Smart Watch features a 1.85-inch HD full touch color screen. Swipe across the screen to navigate through different functions and menus. The side button typically serves as a back button or to return to the main watch face.
- Raise to Wake: The screen automatically lights up when you raise your wrist. This feature can be configured in the app.
- Brightness Adjustment: Adjust screen brightness through the watch settings or the GloryFit app for optimal visibility in various lighting conditions.
- Custom Watch Faces: Choose from over 200 watch faces in the GloryFit app or customize your own using personal photos.

Image: Demonstrates the 1.85-inch HD touch screen and various customizable watch faces available.

Image: Shows options for 'Raise Your Wrist to Wake Up the Screen', 'Screen Time', and '4-Level Brightness Adjustment'.
4.2 Bluetooth Call and Message Notifications
Once connected to your phone via Bluetooth, the smart watch allows you to make and answer calls directly from your wrist. You can also receive message notifications from various apps.
- Making/Answering Calls: Use the watch's dial pad, contacts, or call history to manage calls. The HD speaker ensures clear audio.
- Message Reminders: Configure message notifications for apps like WeChat, WhatsApp, Facebook, and more within the "GloryFit" app.

Image: Illustrates the Bluetooth call functionality, showing call logs, dial pad, and contact options on the watch screen.

Image: Depicts the smart watch receiving notifications from different applications.
Video: Guide on how to receive notifications on the smart watch.
4.3 Health Monitoring
The P66D Smart Watch is equipped with advanced sensors for continuous health monitoring.
- Heart Rate Monitoring: Real-time heart rate tracking throughout the day.
- Sleep Monitoring: Automatically monitors sleep status, providing comprehensive analysis of light sleep, deep sleep, and awake times.
- Blood Oxygen Monitoring: Measures blood oxygen levels.
- Wearing Instructions: For accurate readings, wear the watch correctly – not too tight nor too loose, allowing skin to breathe.

Image: Shows the watch interface for heart rate monitoring and automatic sleep tracking, including sleep duration and quality analysis.

Image: Focuses on the heart rate monitoring feature, displaying real-time data and historical trends.

Image: Illustrates the sleep monitoring function, showing different sleep stages and smart alarm clock settings.
4.4 Sports Modes and Activity Tracking
The smart watch supports over 100 sports modes, tracking your activity data in real-time.
- Activity Data: Records heart rate, steps, calories burned, distance, and active hours during exercise.
- Supported Modes: Includes running, yoga, jumping jack, sit-ups, and many more.

Image: Displays activity tracking metrics like steps, distance, and calories, alongside icons for over 100 sport modes.

Image: Highlights all-day activity tracking, showing calories, distance, steps, and heart rate data.
4.5 Additional Functions
The P66D Smart Watch offers a variety of practical tools:
- Weather Forecast: Provides 24-hour weather tracking.
- Music Control: Control music playback on your phone.
- Camera Control: Remotely control your phone's camera.
- Stopwatch & Timer: Built-in timing functions.
- Find Phone/Watch: Helps locate your paired device.
- Breathing Training: Guided breathing exercises.
- Sedentary Reminder: Alerts you to move after periods of inactivity.
- Women's Health: Specific tracking features for women's health.

Image: A comprehensive view of the smart watch's multifunctional capabilities, including health, utility, and convenience features.

Image: Shows the weather forecast feature on the watch, providing current and upcoming weather conditions.

Image: Illustrates the music control and camera remote control functionalities of the smart watch.
5. Maintenance
5.1 Waterproofing
The Nerunsa P66D Smart Watch is IP68 waterproof, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. You can wear it during outdoor activities, on rainy days, or while washing your hands.
Important Note:
- Do not use the watch in hot water, saunas, or steam rooms.
- Avoid prolonged submersion or high-pressure water jets.
- After contact with water, especially saltwater, wipe the watch dry to prevent corrosion.

Image: Shows the smart watch in a water environment, emphasizing its IP68 waterproof capability.
5.2 Cleaning and Care
- Regularly clean the watch and strap with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials.
- Ensure the charging contacts are clean and dry before charging.
6. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Watch not turning on/charging | Ensure the charging cable is securely connected to both the watch and a power source. Check if the power source is working. Clean the charging contacts on the watch and cable. Allow the watch to charge for at least 10-15 minutes before attempting to turn it on. |
| Cannot pair with phone | Make sure Bluetooth is enabled on your phone. Ensure the watch is sufficiently charged. Restart both the watch and your phone. Try forgetting the device in your phone's Bluetooth settings and re-pairing through the GloryFit app. Ensure the GloryFit app has necessary permissions. |
| No notifications received | Check notification settings within the GloryFit app for specific applications. Ensure phone's Bluetooth is connected. Verify that the GloryFit app is running in the background and not restricted by battery optimization settings. For iOS, ensure "Share System Notifications" is enabled in Bluetooth settings for P66D. |
| Inaccurate health data | Ensure the watch is worn correctly – snug but not too tight, on the wrist bone. Clean the sensors on the back of the watch. Avoid excessive movement during measurements. Note that smartwatches are not medical devices and data is for reference only. |
| Screen issues (flickering, unresponsive) | Restart the watch. Ensure the screen is clean and dry. If the issue persists, contact customer support. |
If you encounter issues not listed here, or if the suggested solutions do not resolve the problem, please refer to the official Nerunsa support channels.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | P66D |
| Brand | Nerunsa |
| Screen Size | 1.85 Inches |
| Screen Type | HD Full Touch Color Screen |
| Waterproof Rating | IP68 |
| Connectivity | Bluetooth |
| Operating System Compatibility | Android (5.0+), iOS (13.0+) |
| Battery Life (Typical Use) | Up to 7 days |
| Standby Time | About 30 days |
| Charging Time | Approx. 2 hours |
| Health Monitoring | Heart Rate, Sleep, Blood Oxygen |
| Sports Modes | 100+ |
| Product Dimensions | 10.24 x 1.5 x 0.43 inches |
| Item Weight | 2.89 ounces |
8. Warranty and Support
Nerunsa provides a standard warranty for its products. For detailed warranty information, including coverage period and terms, please refer to the warranty card included in your product packaging or visit the official Nerunsa website.
For technical support, troubleshooting assistance, or any product-related inquiries, please contact Nerunsa customer service through the following channels:
- Official Website: Visit the Nerunsa Store on Amazon
- Email Support: (Refer to product packaging for specific email address)
- Phone Support: (Refer to product packaging for specific phone number)
Please have your product model number (P66D) and purchase information ready when contacting support.



