Introduction
The WuzuTech Herz P1 Smart Ring is a wearable health and fitness tracker designed to provide comprehensive biometric data. This sleek, lightweight ring offers accurate monitoring of various health metrics directly from your finger, providing a comfortable and unobtrusive alternative to traditional wrist-worn devices. It integrates seamlessly with a free mobile application for both iOS and Android platforms, requiring no subscription fees to access your data.
The Herz P1 Smart Ring tracks over 20 vital biometrics, including heart rate, temperature, blood oxygen levels, activity, and stress levels. It also functions as a sleep monitor and supports menstrual cycle tracking, offering real-time insights into your overall wellness. Crafted from lightweight, water-resistant stainless steel, the ring is built for durability and comfort, suitable for continuous wear during daily activities and workouts.
What's in the Box
- Herz P1 Smart Ring
- Charging Cable
- User Manual
Setup
- Charge the Ring: Before initial use, place your Herz P1 Smart Ring into its charging case and connect the charging cable to a power source. Ensure the ring is properly seated to initiate charging. A full charge typically provides up to 6 days of battery life.
- Download the App: Search for the 'Lefun Health' app in your device's app store (available for iOS and Android) and install it.
- Pair with Your Device: Open the 'Lefun Health' app and follow the on-screen instructions to pair your Herz P1 Smart Ring via Bluetooth. Ensure Bluetooth is enabled on your smartphone.
- Wear the Ring: For accurate readings, wear the ring snugly on your finger, ensuring the internal sensors are in contact with your skin. The ring can be worn on any finger, but consistent placement is recommended for reliable data tracking.
Video Description: This video demonstrates the initial setup process for the Herz P1 Smart Ring, including charging the ring in its case, downloading the companion app, wearing the ring, and viewing tracked data on the smartphone.

Image Description: A close-up view of the Herz P1 Smart Ring worn on a finger, highlighting the internal sensors that make contact with the skin for biometric tracking.
Operating Instructions
Once your Herz P1 Smart Ring is set up and paired, it continuously tracks your biometrics. To access and interpret your data, use the 'Lefun Health' mobile application.
Viewing Health Data
- Open the 'Lefun Health' app on your smartphone.
- The app dashboard will display a summary of your daily metrics, including steps, calories, heart rate, blood oxygen, and sleep data.
- Tap on specific metrics to view detailed historical data, trends, and analysis (daily, weekly, monthly).
Manual Measurements
While the ring tracks continuously, you can initiate on-demand measurements for certain metrics:
- Navigate to the desired metric (e.g., Heart Rate, Blood Oxygen, Temperature) within the app.
- Tap the 'Measure' or 'Start Measure' button.
- Keep your hand still and relaxed during the measurement process for optimal accuracy.
Exercise Tracking
To track specific workouts:
- Go to the 'Sport' section in the 'Lefun Health' app.
- Select your activity (e.g., running, walking, cycling).
- Tap 'Go' to start tracking. The app will record duration, distance, calories burned, and heart rate during your activity.
Video Description: This video showcases the tracking capabilities of the Herz P1 Smart Ring, demonstrating how to view various health metrics like heart rate, blood oxygen, and temperature within the companion app.

Image Description: A hand wearing the Herz P1 Smart Ring, positioned next to a smartphone displaying the 'Lefun Health' app interface with real-time heart rate and blood oxygen data.
Health Tracking Features
The Herz P1 Smart Ring is engineered to provide comprehensive health monitoring through its advanced sensors:
- Heart Rate Monitoring: Tracks your heart rate throughout the day and during workouts, providing average, highest, and lowest readings.
- Blood Oxygen Levels (SpO2): Measures your blood oxygen saturation, offering insights into respiratory function and overall wellness.
- Temperature Tracking: Monitors your body temperature trends, which can be useful for detecting changes in health or tracking menstrual cycles.
- Sleep Monitoring: Analyzes your sleep patterns, including deep sleep, light sleep, and REM stages, to help you understand and improve your sleep quality.
- Activity Tracking: Records your daily steps, distance traveled, and calories burned, encouraging an active lifestyle.
- Stress Levels: Provides insights into your stress patterns, helping you manage daily stressors.
- Women's Health: Supports menstrual cycle tracking, offering personalized insights for women's health.

Image Description: A visual representation of the key health metrics tracked by the Herz P1 Smart Ring, including Sleep, HRV, Activity, Heart Rate, Stress, and Women's Health.

Image Description: A close-up of the Herz P1 Smart Ring on a finger, with a smartphone in the background showing the detailed health data interface of the companion app.
Battery Life and Charging
The Herz P1 Smart Ring is designed for extended use with a battery life of up to 6 days on a single charge, minimizing the need for frequent recharging.
Charging Process
- Place the ring securely in its dedicated charging case.
- Connect the provided charging cable to the case and a USB power adapter.
- The indicator lights on the charging case will show the charging status.

Image Description: Multiple Herz P1 Smart Rings in different finishes are displayed, emphasizing the product's impressive battery life of up to 6 days.

Image Description: The compact charging case for the Herz P1 Smart Ring, designed for convenient and secure charging.
Waterproofing
The Herz P1 Smart Ring features 5ATM waterproofing, allowing it to withstand water pressure equivalent to a depth of 164 feet (50 meters). This makes it suitable for swimming, showering, and other water-based activities without concern for damage.

Image Description: A Herz P1 Smart Ring is shown partially submerged in water, illustrating its 5ATM waterproofing capability up to 164 feet.
App Compatibility
The 'Lefun Health' companion app is compatible with both iOS and Android devices, ensuring broad accessibility for users. The app is free to download and use, with no subscription required to access all features and your personal health data.

Image Description: An image showing the Herz P1 Smart Ring alongside the logos for iOS and Android, indicating its broad compatibility with both operating systems.
Maintenance
To ensure the longevity and optimal performance of your Herz P1 Smart Ring, follow these maintenance guidelines:
- Cleaning: Regularly wipe the ring with a soft, damp cloth to remove any dirt, sweat, or residue. Avoid using harsh chemicals or abrasive materials, as these can damage the finish and sensors.
- Storage: When not in use, store the ring in its charging case or a dry, cool place away from direct sunlight and extreme temperatures.
- Avoid Impact: While durable, avoid dropping the ring or subjecting it to strong impacts, which could affect its internal components.
Troubleshooting
If you encounter issues with your Herz P1 Smart Ring, try the following steps:
- Connection Issues: Ensure Bluetooth is enabled on your smartphone and the ring is within range. Try restarting both your phone and the ring (by placing it in the charger).
- Inaccurate Readings: Verify that the ring is worn snugly on your finger and the sensors are clean and in proper contact with your skin. Keep your hand still during manual measurements.
- Charging Problems: Check that the charging cable is securely connected to both the case and the power source. Ensure the ring is correctly seated in the charging case.
- App Not Syncing: Close and reopen the 'Lefun Health' app. Ensure your phone's operating system is up to date.
If problems persist, refer to the full user manual or contact WuzuTech customer support for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Brand | WuzuTech |
| Model Number | B0F2Y7X4G9 (P1) |
| Item Weight | 2.39 ounces |
| Package Dimensions | 3 x 2.8 x 1.8 inches |
| Batteries | 1 Nonstandard Battery (included) |
| Battery Capacity | 17 Milliamp Hours |
| Operating System | RTOS |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Special Features | Activity Tracker, Cycle Tracking, Lightweight, Sleep Tracker |
| Waterproofing | 5ATM (up to 164 feet) |
| GPS | No GPS |
| Shape | Round |
| Material | Stainless Steel |
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your Herz P1 Smart Ring or visit the official WuzuTech website. Contact details for support are typically provided in the user manual or on the product packaging.




