The HRM 200 offers accurate heart rate and heart rate variability (HRV) data, transmitting real-time information to compatible Garmin devices and fitness apps. Its soft, adjustable strap is available in two sizes, ensuring a comfortable fit for various body types. The strap is machine washable, making it easy to keep clean after intense workouts. With a water resistance rating of 3 ATM, it's suitable for a range of activities, including running, cycling, and strength training.