1. Introduction
The LIVLOV V8 Heart Rate Monitor Chest Strap is a versatile and accurate device designed to track your heart rate during various physical activities. Featuring ANT+, Bluetooth, and 5.3 KHz connectivity, it offers broad compatibility with fitness apps, GPS watches, bike computers, and gym equipment. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your V8 heart rate monitor to ensure optimal performance and a seamless user experience.
2. Package Contents
Please verify that all items are present in your package:
- LIVLOV V8 Heart Rate Monitor Sensor
- Adjustable Chest Strap
- Wireless Charging Base
- USB-C Charging Cable
- User Manual (this document)

Image: The LIVLOV V8 Heart Rate Monitor sensor and its wireless charging base.
3. Setup Guide
3.1 Charging the Device
The LIVLOV V8 features a built-in rechargeable Li-Ion battery. Before first use, or when the battery is low, charge the device using the provided wireless charging base.
- Connect the USB-C charging cable to the wireless charging base and a power source (e.g., computer USB port, USB wall adapter).
- Place the LIVLOV V8 sensor onto the charging base. Ensure proper alignment for the wireless charging to initiate.
- A full charge takes approximately 2 hours and provides up to 48 hours of continuous use.

Image: The LIVLOV V8 Heart Rate Monitor charging on its wireless base, indicating a 48-hour battery life.
3.2 Attaching the Sensor to the Chest Strap
The sensor easily attaches to the chest strap via two snap buttons.
- Identify the 'L' and 'R' markings on the chest strap's electrode areas.
- Align the sensor with the snap buttons on the strap, ensuring the LIVLOV logo is facing outwards and the sensor is oriented correctly (the side with the LED indicator should be towards the top when worn).
- Press firmly until the sensor snaps securely onto the strap.
3.3 Wearing the Chest Strap
For accurate heart rate measurement, proper placement and moisture are crucial.
- Moisten Electrodes: Before wearing, moisten the electrode areas on the back of the chest strap with a small amount of water or conductive gel. This ensures good contact with your skin for accurate signal transmission.
- Positioning: Place the chest strap directly against your skin, just below your pectoral muscles (chest). The sensor should be centered on your chest.
- Adjust Fit: Adjust the length of the strap (adjustable from 25.6'' to 37.4'' / 65-95cm) until it fits snugly but comfortably. It should not be too tight to restrict breathing, nor too loose to slide around.

Image: The LIVLOV V8 sensor on a moistened chest strap, highlighting its IP67 waterproof rating and LED indicator.

Image: Proper wearing of the LIVLOV V8 chest strap, showing its adjustable length and comfortable design.
3.4 Setup and Usage Demonstration Video
Video: This official LIVLOV video demonstrates the complete setup process, including attaching the sensor, moistening electrodes, wearing the strap, and connecting to a fitness application. It also shows the device in use during various exercises.
4. Operating Instructions
4.1 Connecting to Fitness Apps and Devices
The LIVLOV V8 supports ANT+, Bluetooth, and 5.3 KHz protocols, allowing connection to a wide range of devices and applications.
- Activate the Monitor: Once worn correctly and electrodes are moistened, the monitor will automatically activate.
- Enable Bluetooth/ANT+: Ensure Bluetooth is enabled on your smartphone or tablet, or that your fitness device (GPS watch, bike computer) has ANT+ enabled.
- Open Fitness App: Launch your preferred fitness application (e.g., Polar Beat, Wahoo Fitness, Zwift, Strava, Peloton App).
- Pair Device: Navigate to the sensor or device pairing section within your app/device settings. The LIVLOV V8 should appear as "LIVLOV V8-XXXXXX" (for Bluetooth) or by its ANT+ ID. Select it to pair.
- Start Workout: Once paired, your heart rate data will be displayed in real-time within the app, allowing you to monitor your performance.

Image: The LIVLOV V8 is compatible with numerous popular fitness applications and platforms.

Image: The LIVLOV V8 supports Bluetooth 5.0, ANT+, and 5.3 KHz for broad device compatibility.
4.2 LED Training Status Indicator
The LIVLOV V8 features an LED light that changes color to indicate your heart rate zone during training. This provides a quick visual reference of your exercise intensity.
| LED Color | Heart Rate Zone | Description |
|---|---|---|
| Gray | 50% - 60% | Warm-up Exercise Section |
| Blue | 60% - 70% | Weight Loss & Fat Burning Training Section |
| Green | 70% - 80% | Cardiopulmonary Exercise Section |
| Yellow | 80% - 90% | Lactate Tolerance Training Section |
| Red | 90% - 100% | Speed & Strength Training Section |
Note: The LED light pulses with your heart rhythm when active. If the LED is not lighting up, ensure the electrodes are sufficiently moistened and the strap is worn correctly.
5. Maintenance
5.1 Cleaning the Chest Strap
To ensure longevity and hygiene, clean the chest strap regularly after each use.
- Detach the sensor from the strap.
- Rinse the strap under running water. You may use a mild soap if necessary.
- Hang the strap to dry thoroughly. Do not machine wash or tumble dry.
- Wipe the sensor clean with a damp cloth. Do not submerge the sensor in water, despite its IP67 rating, to prevent potential damage to the charging contacts.
5.2 Battery Care
The LIVLOV V8 has a long battery life of up to 48 hours. To maximize battery lifespan:
- Charge the device fully before first use.
- Avoid completely draining the battery frequently.
- Store the device in a cool, dry place when not in use.
6. Troubleshooting
If you encounter issues with your LIVLOV V8, try the following solutions:
6.1 No Heart Rate Reading / Inaccurate Readings
- Moisten Electrodes: Ensure the electrode areas on the chest strap are thoroughly moistened with water or conductive gel before wearing. Dry skin can prevent proper signal transmission.
- Strap Position: Verify the strap is worn directly against your skin, just below your pectoral muscles, with the sensor centered.
- Snug Fit: Adjust the strap to ensure a snug but comfortable fit. A loose strap can lead to inconsistent readings.
- Battery Level: Check if the device is sufficiently charged. A low battery can affect performance.
- Sensor Connection: Ensure the sensor is securely snapped onto the chest strap.
6.2 Connection Issues (Bluetooth/ANT+)
- Restart App/Device: Close and reopen your fitness application, or restart your smartphone/fitness device.
- Check Bluetooth/ANT+ Settings: Confirm that Bluetooth (or ANT+) is enabled on your receiving device.
- Forget Device: If previously paired, try
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