Comfortable Alternative: Designed to be more comfortable and simpler to wear than traditional chest straps.
Sleek & Snug Fit:
Low-profile design to prevent snagging on clothes or gym equipment.
Fabric band sits flat around the arm with a textured surface to secure the fit.
Flexible Fit:
Adjustable elastic band for a customizable fit.
Velcro enclosure for easy sensor removal and band cleaning.
Size & Weight
Dimensions: 42.5 x 28.4 x 9.1mm
Weight:
Sensor Only: 9.7g
Sensor + Band: 19g
Material
Band Material: Made from durable Polyester fiber, Nylon, and Spandex for comfort and longevity.
Sensor Technology
Optical Heart Rate Hardware: Equipped with 5 LED lights and 4 photodetectors for accurate heart rate monitoring.
Optimal Placement: Designed to be worn on the bicep, allowing for better blood flow measurement and improved data accuracy.
Connectivity
Wireless Protocol: Bluetooth-enabled for easy pairing.
Compatibility: Works with any Bluetooth-compatible device that receives heart rate data.
Simultaneous Connections: Can pair with up to 3 devices at the same time, including:
COROS watches and apps
Non-COROS watches
Bluetooth-compatible fitness equipment (e.g., indoor trainers, bike computers).
Real-Time Data Sync: Transmits real-time heart rate data to paired devices.
Battery & Power
Battery Life:
Active Mode: 38 hours of continuous use on a single charge.
Standby Mode: 80 days when not in active use.
Battery Capacity: 55 mAh.
Charging Method: USB Type-A with a magnetic charging interface.
Charging Time: Less than 2 hours for a full charge.
Battery Monitoring: Battery level can be viewed directly on a COROS watch or app.
Durability & Environmental Tolerance
Water Resistance: 3 ATM (suitable for surface water activities, but not for full submersion).
Operating Temperature: -4°F to 122°F (-20°C to 50°C).
Storage Temperature: -4°F to 140°F (-20°C to 60°C).
Charging Temperature: 32°F to 113°F (0°C to 45°C).
Additional Features
Wear Detection: Automatically powers on when worn and turns off when removed, ensuring immediate connection to paired devices with every workout.
No-Button Design: Allows for ease of use with no buttons required for operation.
Enhanced Signal Quality:
Multi-channel optical sensor housed under a scratch-resistant cover for accurate and reliable data collection.
Band cradles the sensor flush against the skin to prevent external light interference, maintaining high signal quality.
Why Bicep Placement?
Improved Blood Flow for Accuracy: Wearing the monitor on the bicep provides optimal blood flow for the sensor, allowing it to capture heart rate data with accuracy comparable to a chest strap.
What’s in the Box?
COROS Heart Rate Monitor (sensor and adjustable band)