Built-in heart rate monitor provides real time tracking - Real time heart rate data lets you monitor effort and stay in your target zone during workouts. Easy to use with a single button - A dedicated button controls the unit and the display shows time, speed, heart rate, and calories so you can see essential metrics at a glance. User friendly for most users - Designed for straightforward operation and quick setup, suitable for a wide range of users and workouts. Compatible with common cardio equipment - Suitable for exercise bicycles, rowing machines, and more, making it a flexible addition to your cardio setup. Use scenarios - Home cycling routine: Mount on a standard exercise bike, use the display to track time, speed, heart rate, and calories while you ride and adjust intensity to meet your training target. - Rowing session: Use on a rowing machine to monitor heart rate and calories in real time, helping manage endurance and output. - Mixed cardio workouts: Use with multiple compatible machines to maintain consistent metrics across different activities, supporting steady progress over time.