This guide will help you get the most from your Herz P1 HR Chest Strap, explain how to wear it, connect it to your favorite fitness apps, and answer common questions.
For more details, you can also download the product manual here.
About Your Device
The Herz P1 HR Chest Strap is a heart rate monitor that is:
• Accurate – real-time heart rate tracking from 30 to 240 bpm (+/- 1 bpm).
• Connected – Bluetooth 5.0 and ANT+ wireless transmission for seamless pairing.
• Feature-rich – tracks heart rate, HRV, step count, and calories burned in real time.
• Compatible – works with popular fitness apps like Strava, Wahoo, and Polar Beat.
• Durable – IP67 waterproof, built for sweat, workouts, and outdoor training.
• Long-range – stable connection up to 60 m (BLE) or 30 m (ANT+).
• Comfortable – adjustable chest strap designed for secure, all-day wear during movement.
Key Specs:
For Key Specs, you can also download the product manual here.
How to Wear the Herz P1 HR Chest Strap
- Clip the sensor module onto the chest strap.
- Adjust the strap length so it fits snugly around your chest, just below your chest muscles.
- Make sure the sensor sits centered on your chest and stays in place during movement.
- The strap should feel secure but not overly tight — snug enough to stay put, without restricting your breathing.
Tip: Slightly dampening the sensor contacts with water before wearing can help improve reading accuracy, especially at the start of your workout.
Connecting to an App
- Turn on Bluetooth on your phone or device.
- Download your preferred fitness app (X-FITNESS, Wahoo Fitness, Polar Beat, Runtastic Pro, Nike+ Run Club, or another compatible app).
- Put on your chest strap correctly, as described above, to activate the heart rate monitor.
- Open the app and connect the sensor via Bluetooth or ANT+.
- Once connected, start your workout and your real-time data will begin tracking.
Using Your Data
• Real-time heart rate, HRV, step count, and calories burned all track live during your workout.
• Up to 48 hours of heart rate data can be stored on the device, even without your phone nearby.
• Sync your data next time you connect to your app to review your history.
Caring for Your Device
• Wipe the strap and sensor with a soft, damp cloth after each use.
• Allow the strap to air dry fully before storing.
• The sensor is IP67 waterproof, but avoid prolonged submersion.
• Charge using the included charging cable when the LED indicator shows red.
Quick Tips to Get the Most Out of Your Herz P1 HR Chest Strap
• Dampen the sensor contacts before each wear for faster, more accurate readings.
• Keep the strap snug but comfortable — a loose strap is the most common cause of dropped or inaccurate readings.
• Charge fully before long workouts, especially multi-hour sessions.
• Rinse and air-dry the strap after each use to keep it fresh and comfortable.
FAQs (Frequently Asked Questions)
Q: Why does my strap show a white light instead of blue during my workout?
A: A white light means no data is being detected. Check that the strap is snug against your skin and that the sensor contacts are making good contact — dampening them slightly can help.
Q: Can I use this with any fitness app?
A: It's compatible with X-FITNESS app as well as popular third-party apps like Strava, Wahoo, and Polar Beat. If your app isn't listed, check that it supports Bluetooth 5.0 or ANT+ heart rate monitors.
Q: How long does the battery last?
A: Please refer to your product manual for specific battery life details, as exact runtime per charge wasn't included in the current product summary.
Q: Is it safe to wear during swimming or heavy sweating?
A: The device is IP67 waterproof, which means it's built to handle sweat and water exposure well. For swimming specifically, check your app's compatibility, since Bluetooth signals don't transmit well underwater.
Q: Why do my readings seem delayed or inaccurate at the start of my workout?
A: This is often due to dry contact points. Lightly dampening the sensor area before wearing it can help it pick up your heart rate more quickly and accurately.
Q: Can I store data without my phone connected?
A: Yes, the device stores up to 48 hours of heart rate data on its own, which syncs the next time you connect to your app.
Q: Does the strap work for both men and women, and different chest sizes?
A: Yes, the included strap adjusts to fit a 65–95 cm range, accommodating most body types.
Q: What does a solid red light mean while I'm wearing it during a workout?
A: Red typically indicates the battery is low. If this happens mid-workout, you may want to end your session and recharge the device.
Q: Can I use both Bluetooth and ANT+ at the same time?
A: The device supports both connection types, but please check your specific app or device's instructions for how it prioritizes each connection.
Need Help?
If you need assistance:
Email: support@herzp1.com
Phone: (877) 309-3614
When contacting support, include your order number and a short description of the issue.
Still need help? Create a support request with our customer service team and we'd be happy to help.