Garmin HRM-Pro Plus is a professional heart rate sensor designed for athletes and people with an active lifestyle. It accurately measures heart rate and transmits the data to your Garmin watch or other compatible devices via ANT+ and Bluetooth technology. The device is suitable for both indoor and outdoor workouts. It allows you to monitor calorie burn, intensity levels, and other key indicators of physical activity. The sensor comes with a comfortable, soft strap that doesn't restrict movement. It is water-resistant (up to 50 meters) and features a powerful 220 mAh battery that can last up to one year.