1. Introduction
The CYCPLUS H2 Heart Rate Monitor Chest Strap is designed to provide accurate heart rate data for various fitness activities. It features an ECG algorithm for stable and precise readings, long battery life, and robust waterproof capabilities. The device supports both ANT+ and Bluetooth dual protocols for broad compatibility with bike computers, sports watches, and fitness applications.


2. Packing List
Please check the contents of your package:
- HRM Sensor (Heart Rate Monitor)
- Chest Strap
- User Manual
- Packing Box

3. Setup
3.1. Battery Installation and Replacement
- Slide the battery cover to unlock and open it.
- If it's the first use, remove the battery insulation tab.
- Insert a CR2032 button cell battery with the positive (+) side facing upwards into the battery compartment.
- Confirm correct installation: The indicator light on the HRM sensor should flash.
- Close the battery cover and slide to lock it.

3.2. Wearing Method
- Wet the electrode pads on the chest strap with water before use to ensure optimal heart rate detection.
- Install the H2 monitor onto the chest strap by snapping it onto the two studs.
- Adjust the strap length to ensure a snug and comfortable fit around your chest. The strap should be tight enough to maintain good skin contact but not restrictive.


4. Operating Instructions
4.1. Indicator Light Status
- The indicator light will flash for 10 seconds when the battery is correctly installed, when the strap is properly worn, and when the strap is taken off.
- Green Light: Battery capacity is 5% or greater.
- Red Light: Battery capacity is less than 5%.
4.2. Connecting to GPS Bike Computer (e.g., Garmin 1040)
- Enter the Settings page on your GPS bike computer.
- Find the Sensor Connections option.
- Select 'Add Heart Rate Device'.
- The device will search for and add the H2 heart rate monitor.
- After successful pairing, the bike computer will display "Heart Rate Connected".
- Return to the cycling page, and your heart rate data will be displayed.
4.3. Connecting to APP via Bluetooth (e.g., XOSS app)
- Open the XOSS app (or your preferred fitness app).
- Navigate to the device or sensor connection section.
- Select 'Device-Sensors-H2' to connect.
- The app will indicate a successful connection.
Note: The H2 supports both ANT+ and Bluetooth dual protocols. When using ANT+, multiple devices can connect simultaneously. When using Bluetooth, only one device can connect at a time.


4.4. Sleep Mode and Power Off
- The H2 will automatically enter a low-power sleep mode after removal from the body. The indicator light will flash again to show the current battery level before entering sleep mode.
- Removing the H2 monitor from the chest strap will turn it off completely.

Official usage tutorial video for the CYCPLUS H2 Heart Rate Monitor Chest Strap, demonstrating unboxing, battery installation, wearing, and connectivity.
5. Maintenance
5.1. Cleaning Method
- After each use, rinse the chest strap with clean water.
- Hang dry or lay it flat to dry. Do not machine wash or tumble dry.
- If outdoor washing is not possible, wipe sweat from the electrode pads, connector, and the surface of the HRM Sensor after use. Separate the HRM Sensor from the chest strap and place them in a well-ventilated area. Clean and dry the chest strap as soon as possible.
5.2. Storage
- It is recommended to remove the HRM Sensor from the chest strap to extend battery life for storage.
- Store the heart rate chest strap flat or hung after use, avoiding bending or rolling it.
- Keep it out of direct sunlight for extended periods.
- Avoid placing a damp heart rate chest strap in airtight containers, as this may cause oxidation of the connector, affecting measurement accuracy and shortening its lifespan.
5.3. Important Notes
- Avoid overstretching the strap when wearing to prevent damaging the electrode pads.
- Do not use chemical cleaners, as they may impact the accuracy of the heart rate chest strap and reduce its lifespan.
6. Troubleshooting
- No indicator light after battery installation: Ensure the CR2032 battery is inserted with the positive side up and the battery cover is securely closed.
- Inaccurate heart rate readings: Ensure the electrode pads are sufficiently wet and the chest strap is worn snugly against the skin. Sweat accumulation can affect accuracy, so clean the strap regularly.
- Connectivity issues: If connecting via Bluetooth, ensure no other device is currently connected to the H2, as it only supports one Bluetooth connection at a time. For ANT+, multiple connections are possible.
- Red indicator light: This indicates battery capacity is below 5%. Replace the CR2032 battery promptly.
7. Specifications
| Feature | Detail |
|---|---|
| Size | 70-95 * 3.0 * 0.9 cm |
| Weight (Device) | 21g |
| Weight (Whole Product) | 55g |
| Length of Chest Strap | 70-95 cm |
| Communication Protocol | ANT+, BLE |
| Battery | CR2032 200mAh |
| Using Time | 500+ hours |
| Working Temperature | 0-50°C |
| Waterproof Rating | IPX7 |
| Device Thickness | 9mm |



8. User Tips
- For consistent and accurate readings, always ensure the electrode pads are moistened before wearing the strap.
- Regularly clean the chest strap after each use to prevent salt and sweat buildup, which can affect conductivity and device lifespan.
- Check the battery status (green/red indicator) before starting a long workout to avoid unexpected power loss.
- If you experience any discomfort or unusual readings, consult a medical professional. The heart rate chest strap is not a medical device and data is for reference only.
9. Warranty and Support
Manufacturer: Chengdu Chendian Intelligent Technology Co., Ltd
Address: No.88 Tianchen Road, Chengdu, Sichuan Province, China
Warranty: Free repair or replacement is provided within one year after purchase.
After-sales email: steven@cycplus.com
For a detailed user manual, please refer to the official PDF document: CYCPLUS H2 User Manual (PDF)