Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: Chest band a non-starter
Review: I don't know how this works because when I found that I would need to wear a chest band during exercise to make it work, I returned it. It isn't evident in the advert for this (or any other) heart-rate monitor. I guess I'll have to trust my sense of pain....
