Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Nerunsa P66D Smart Watch. Please read this manual carefully before using the device to ensure proper functionality and to maximize your user experience.
Package Contents
Upon opening the package, please verify that all components are present:
- Nerunsa P66D Smart Watch
- Charging Cable (USB Magnetic Suction)
- User Manual

Image: Contents of the Nerunsa P66D Smart Watch package, showing the watch, an extra strap, the USB magnetic charging cable, and the user manual.
Setup Guide
1. Initial Charging
Before first use, fully charge your smartwatch. Connect the USB magnetic suction 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. A full charge typically takes approximately 2 hours.

Image: Illustration of the USB magnetic charging cable connecting to the watch, showing a "Fully Charged" indicator and battery life estimates (7 days daily use, 30 days standby).
2. App Installation and Device Pairing
To unlock the full functionality of your Nerunsa P66D Smart Watch, you need to install the companion application, "GloryFit", on your smartphone.
- Download the App: Scan the QR code provided in the watch's packaging or search for "GloryFit" in your smartphone's App Store (iOS) or Google Play Store (Android).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Pair the Device (Initial Connection):
- Open the "GloryFit" app.
- Navigate to the device pairing section (usually "Device" or "Add Device").
- The app will search for available devices. Select "P66D-XXXX" (where XXXX is a unique identifier) from the list.
- Confirm the Bluetooth pairing request on both your phone and the watch.
- Audio Bluetooth Connection (for calls): For smartphones running iOS 13.0 and below, or if you experience issues with call audio, an additional Bluetooth connection may be required.
- On the watch screen, swipe right to access the quick settings and ensure the "Phone" function switch (Bluetooth call icon) is enabled.
- Go to your smartphone's Bluetooth settings.
- Look for "P66D-XXXX" (or a similar name related to audio) in the list of available devices and connect to it.

Image: Visual guide for connecting the smartwatch to a smartphone, detailing the GloryFit app download, Bluetooth activation, device pairing, and separate audio Bluetooth connection steps for older iOS versions.
Operating Instructions
Basic Navigation
- Touch Screen: The 1.85-inch HD touch screen allows for intuitive navigation. Swipe left, right, up, or down to access different functions and menus.
- Side Button: Press the side button to return to the main watch face or to wake the screen.
- Raise to Wake: The device screen will automatically light up when you raise your wrist. This feature can be enabled or disabled in the app settings.
- Brightness Adjustment: Adjust the screen brightness through the watch settings or the app for optimal visibility in various lighting conditions.

Image: Demonstrates the "Raise Your Wrist to Wake Up the Screen" function and the 4-level brightness adjustment interface on the smartwatch.
Call and Message Management
The Nerunsa P66D Smart Watch allows you to manage calls and messages directly from your wrist when connected via Bluetooth.
- Make/Answer Calls: Use the built-in speaker and microphone to make and receive calls. The watch displays incoming call alerts and allows you to answer or reject calls. You can also dial numbers directly from the watch or access stored contacts.
- Message Notifications: Receive notifications from various apps (e.g., Facebook, WhatsApp, Instagram, Twitter) directly on your watch. Notifications are displayed and accompanied by vibration.

Image: Depicts the Bluetooth call functionality, including an incoming call screen, a dial pad, and contact list access on the smartwatch.

Image: Shows the information reminder feature, with various social media and messaging app icons floating around a wrist wearing the smartwatch, indicating notification support.
Fitness and Health Tracking
The smartwatch is equipped with sensors to monitor various health and fitness metrics.
- Activity Tracking: Records daily steps, distance covered, and calories burned.
- Sport Modes: Offers over 100 indoor and outdoor sport modes (e.g., walking, running, cycling, skipping, basketball, football) to track specific workout data.
- Heart Rate Monitor: Provides 24-hour real-time heart rate monitoring.
- Sleep Monitor: Automatically monitors your sleep status (deep sleep, light sleep, awake time) and provides comprehensive analysis via the GloryFit app.
- Blood Oxygen Monitor: Measures blood oxygen levels.

Image: Illustrates the all-day activity tracking feature, showing the watch display with steps, distance, and calories, alongside a mobile app interface for detailed data.

Image: Displays the 100+ sport modes feature, with a grid of activity icons and example images of users engaging in different sports while wearing the watch.

Image: Shows the heart rate monitor feature, emphasizing continuous monitoring and displaying a graph of heart rate data over time.

Image: Illustrates the sleep monitor function, showing a bar graph of sleep stages (light, awake, deep) and the watch display with sleep duration.
Additional Features
- Custom Dials: Choose from over 200 personalized dials in the GloryFit app or customize your watch face with your own photos.
- Timer & Stopwatch: Utilize the built-in timer and stopwatch functions for various activities.
- Alarm Clock: Set alarms directly from the watch or through the app.
- Sedentary Reminder: Receive alerts to remind you to move after periods of inactivity.
- Music Control: Control music playback on your connected smartphone (play, pause, skip tracks).
- Camera Control: Use your watch as a remote shutter for your smartphone camera.
- Weather Forecast: Get 24-hour weather updates after connecting to your mobile phone.
- Find Phone: Locate your misplaced phone by triggering an alert from your watch.
- Do Not Disturb Mode: Silence notifications during specific times.

Image: Showcases the extensive collection of 200+ watch faces available through the GloryFit app, along with the option to create custom watch wallpapers using personal photos.

Image: Illustrates several utility features of the smartwatch, including the stopwatch, timer, sedentary notification, and alarm clock interfaces.

Image: Demonstrates the music control feature, allowing users to manage smartphone music playback, and the camera control feature, enabling the watch to act as a remote shutter.

Image: Shows the weather forecast feature on the smartwatch, providing current temperature and conditions, along with a multi-day forecast.
Maintenance and Care
- Wearing Comfort: Ensure the watch strap is fastened neither too tightly nor too loosely. It should be snug enough for sensor accuracy but allow skin to breathe.
- Water Resistance: The watch is IP68 waterproof, meaning it is resistant to sweat, rain, and splashes. It can be worn during exercise or hand washing. Avoid prolonged submersion or hot water.
- Cleaning: Regularly clean the watch and strap with a soft, dry cloth. If necessary, use a slightly damp cloth and dry thoroughly. Avoid harsh chemicals.
- Sensor Care: Ensure the sensors on the back of the watch are clean and free from debris for accurate readings. If there is a protective film, remove it before use.
- Charging: Use only the provided magnetic charging cable. Avoid using damaged cables or chargers.
Troubleshooting
If you encounter issues with your Nerunsa P66D Smart Watch, please refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Watch not turning on or unresponsive | Ensure the watch is fully charged. Connect to the charger for at least 30 minutes. If unresponsive, try a soft reset by pressing and holding the side button for 10-15 seconds. |
| Cannot pair with smartphone / Frequent disconnections |
|
| Inaccurate heart rate/sleep/step data |
|
| Cannot make/receive calls or hear audio |
|
| Notifications not appearing |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | P66D |
| Brand | Nerunsa |
| Screen Size | 1.85 Inches |
| Display Type | HD Touch Screen |
| Shape | Square |
| Connectivity Technology | Bluetooth |
| Operating System Compatibility | Android 7.0 and above, iOS 9.0 and above |
| Battery Life (Typical Use) | 5-7 days |
| Standby Time | Approx. 30 days |
| Charging Time | Approx. 2 hours |
| Water Resistance Rating | IP68 |
| Sensors | Heart Rate Sensor, Blood Oxygen Sensor |
| Dimensions | 0.75 x 3.78 x 6.5 inches (Product) |
| Item Weight | 3.17 ounces (0.09 Kilograms) |

Image: Detailed dimensions of the Nerunsa P66D Smart Watch, including watch face width (38mm), height (53mm), thickness (11mm), and strap length (150mm min to 235mm max, total 260mm).
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or contact Nerunsa customer service directly. You can also visit the official Nerunsa store on Amazon for more information:



