The HRM-Fit heart rate monitor is specially designed for women, no matter how they train. It easily adapts to medium and high support sports bras and provides accurate heart rate data to a compatible Garmin smartwatch or Edge cycling computer, gym equipment, or smartphone apps. Additionally, it records running dynamics - including vertical oscillation, ground contact time, stride length, and more - to help you improve your technique. Even when running indoors, the HRM-Fit sends pace and distance data to your compatible watch. Keep going strong with up to 1 year of battery life!