Question

Which of the following technologies can work with another portable device to monitor your thrz

Answer 1

The answer to your question is C(Chest straps)

Step-by-step explanation:

Look at the image

Answer 2

It seems that you missed the choices given to this question. But anyway, here is the correct answer. The technology that can work with another portable device to monitor your THRZ or Target Heart Rate Zone is the Chest Straps. Hope this answer helps.