A:Answer Hello Keely, the Lively Wearable 2 is not a heart rate monitor. The Lively Wearable2 works with the Lively app on your smartphone to access 5Star, step tracking, and other GreatCall services. When you press the button on the Lively Wearable2, you will speak to a highly-trained 5Star Urgent Response Agent through your smartphone. Agents can send you any kind of help you need, whether you are locked out of your house or need medical attention. If you need any assistance, we ask that you please call our Customer Service Team at 1-800-733-6632.