The COROS Heart Rate Monitor is an arm-based heart rate monitor designed for athletes who want accurate readings without the typical discomfort of a chest strap. The brand presents it as a more comfortable and simple-to-use solution, compatible with any device that supports Bluetooth heart rate connectivity.
The product is built around two key ideas: real comfort and stable readings. Its latest-generation multi-channel optical sensor is designed to provide accurate measurements, while the soft fabric band sits flat against the arm, reducing distractions, avoiding interference with clothing or equipment, and allowing quick tension adjustment.
It was also designed for practical day-to-day use. The sensor can be removed to wash the band, wear detection automatically turns the device on and off, and pairing with previously connected devices happens when you start a new workout. In addition, the monitor supports up to three simultaneous Bluetooth connections.
Battery life follows the same logic of convenience. COROS states up to 38 hours of continuous use or up to 80 days in standby mode on a single charge, with magnetic USB cable charging. The brand also explains that the arm position allows for more favourable blood flow for optical measurements, delivering accuracy comparable to a traditional chest strap.
The COROS Heart Rate Monitor is an arm-based heart rate monitor for anyone who wants accurate training data, greater comfort, and fewer distractions than a traditional chest strap.
WHAT IT IS
More comfortable than a chest strap.
Multi-channel optical sensor.
Up to 3 Bluetooth connections.
Up to 38 hours of use.
Automatic wear detection.
IDEAL FOR
Running.
Indoor cycling.
Gym training.
Functional training.
Distraction-free sessions.
Pairing with a watch.
Connection to a bike computer.
Training with an app.
Use with multiple devices.
Continuous monitoring.
KEY FEATURES
Arm-based heart rate monitor with a multi-channel optical sensor, up to 3 simultaneous Bluetooth connections, 38 hours of workout use and 80 days in standby mode, a comfortable adjustable band, and fast charging via magnetic USB cable.
HOW TO USE
Arm-based heart rate monitor with an optical sensor, designed for comfortable training, simple Bluetooth connectivity, and reliable effort tracking.
COMPATIBILITY
Compatible with any device or app that receives heart rate data via Bluetooth, including COROS watches, bike computers, indoor trainers, and fitness apps. It does not send heart rate directly to the COROS app and may not be recognised by devices that do not support external Bluetooth sensors, so it is always worth checking your watch or bike computer manual first.
FAQS
Is it more comfortable than a chest strap?
Yes. COROS says it is more comfortable and easier to use than a chest strap.
Can it connect to multiple devices?
Yes. The monitor supports up to 3 Bluetooth connections at the same time.
Is the battery life good?
Yes. The brand states up to 38 hours of continuous use or 80 days in standby.
Why is it worn on the arm?
According to COROS, the arm offers better blood flow conditions for optical measurements with accuracy equivalent to a traditional chest strap.
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