COROS Heart Rate Monitor, Comfort, Easy to wear, Auto-wear Detection, Advanced Sensor, Precise Data, Bluetooth, 38 Hours Battery Life, Compatible with up to 3 Connections, for Run and Bike

COROS Heart rate monitor with large band – Arm size (Large): 9.4 to 16.9 inches (24 to 43 cm)
COMFORTABLE and QUICK CLEANING: The fabric band is soft and breathable, more comfortable to wear than a chest strap. You can quickly clean the band by removing the sensor of COROS Heart Rate Monitor.
EASY TO WEAR and FLEXIBLE FIT: COROS Heart Rate Monitor’s band lays flat around your arm and locks in place with its textured surface. Set the perfect placement and tension on the elasticated band by sliding the buckle.
ADVANCED SENSOR and PRECISE DATA: Housed in a tough yet sleek body and protected under a scratch-resistant cover, COROS Heart Rate Monitor’s advanced sensor will deliver reliable and accurate heart rate data monitoring to track your workouts in distraction-free comfort.
LASTING BATTERY LIFE: 38 hours of full operation or 80 days of standby on a single charge. View the battery level on your COROS watch or app and use the magnetic cable to quickly recharge in 2 hours.
WEAR DETECTION: With built-in wear detection, the COROS Heart Rate monitor automatically powers on and off based on when it is worn. Automatically connect to your paired devices every time you start a workout.
MULTIPLE CONNECTIONS: Designed to work seamlessly with your COROS watches and apps, it can also simultaneously pair with up to three devices, including Sports Watches, Indoor Trainers, Bike, Computers, Phones, Apps, Treadmills, and Indoor Rowers. Bluetooth connection only, no ANT+ support.