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Base Builder provides you with timely heart rate alerts and audio cues to help you maintain your target workout effort. Workouts are integrated into the Health app.Voice alerts provide detailed information regarding your distance, pace, and heart rates.Haptic alerts notify you when you have exceeded your heart rate limit. Feedback is constant until your heart rate is below your configured limit.Distance triggered audio cues let you configure the workout statistics that are announced to you. Workout statistics include distance, heart rate, and pace.