1. Introduction
The CYCPLUS H1 is a versatile heart rate monitor designed for fitness enthusiasts. It provides accurate heart rate data through an armband design, featuring both Bluetooth Low Energy (BLE 5.1) and ANT+ connectivity for broad compatibility with various fitness devices and applications. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your H1 Heart Rate Monitor.

Figure 1: CYCPLUS H1 Heart Rate Monitor
2. Setup
2.1. What's in the Box
Please check the package contents upon unboxing:
- 1 x CYCPLUS H1 Heart Rate Monitor
- 1 x Elastic Armband Strap
- 1 x Magnetic Charging Cable
- 1 x User Manual

Figure 2: Package Contents (1. Packing box, 2. Instruction manual, 3. Magnetic charging cable, 4. Heart rate monitor H1)
2.2. Wearing the Device
For optimal performance and accurate readings, it is recommended to wear the H1 Heart Rate Monitor on your bicep or forearm. Ensure the device is positioned directly on your skin.
- Fasten the strap securely around your arm.
- Adjust the strap length to ensure a snug fit. The monitor should not move or slide during activity, but it should not be uncomfortably tight to restrict blood flow.
- The sensor must be in firm contact with your skin for proper operation.

Figure 3: Recommended Wearing Position
2.3. Strap Installation
The elastic armband strap needs to be correctly threaded through the monitor for secure wearing. Follow these steps:
- Ensure the front of the monitor (with