Magene H603 Heart Rate Monitor Chest Strap - Blue (ANT+ & Bluetooth, ECG Accurate, IP67)

With ECG-accurate heart rate tracking (±1 bpm) and simultaneous ANT+ & Bluetooth connectivity, the Magene H603 chest strap monitor delivers clinical-grade data to your favorite fitness apps and devices. Whether you're training on Zwift, Garmin, Wahoo, Peloton, or Strava, this sensor ensures you never miss a beat.

Overview

The Magene H603 is a lightweight, comfortable heart rate monitor designed for athletes who demand reliability and accuracy. Its snap-on sensor module attaches securely to an adjustable elastic textile strap, providing a stable fit for chest circumferences from 64 to 86 cm (25–34 inches). The device is IP67-rated, making it sweat-proof and splash-proof, so you can push through intense workouts without worry.

What stands out

• ECG-Accurate Heart Rate: Uses electrocardiogram technology to measure your pulse with an accuracy of ±1 bpm, giving you trustworthy data for every session.
• Dual-Mode Connectivity: Broadcasts simultaneously via ANT+ and Bluetooth Smart, allowing you to connect to multiple devices or apps at once.
• Long Battery Life: A single CR2032 coin cell battery powers the sensor for up to 1000 hours, so you can train for months without changing it.
• Visible Status LED: A built-in LED indicator confirms connection status, so you always know when the sensor is paired and ready.
• Comfortable Strap: The adjustable elastic textile band fits chest circumferences from 64 to 86 cm (25–34 inches) and stays in place during vigorous movement.

Technical details

• Connectivity: ANT+ & Bluetooth 4.0 (Dual Mode)
• Heart Rate Measurement Method: ECG (Electrocardiogram)
• Battery Type: CR2032 Coin Cell
• Battery Life: Up to 1000 hours
• Water Resistance Rating: IP67 (Splash-proof, sweat-proof)
• Heart Rate Range: 30-240 bpm
• Operating Temperature: -10°C to 50°C (14°F to 122°F)
• Strap Material: Adjustable Elastic Textile
• LED Indicator: Yes (Connection Status)
• Compatibility: Zwift, Garmin, Wahoo, Peloton, Strava, and other ANT+/Bluetooth devices/apps
• Wireless Protocol: ANT+, Bluetooth Smart (BLE)
• Color: Blue
• Accuracy: ±1 bpm
• Transmission Range: Up to 10 meters
• Sensor Attachment: Snap-on
• Strap Length Adjustment: 64-86 cm (25-34 inches)

Our verdict

The Magene H603 is a top-tier chest strap heart rate monitor that combines precision, dual connectivity, and rugged durability. Its ECG accuracy and long battery life make it a reliable companion for serious athletes and casual fitness enthusiasts alike.