Generally wear very uncomfortable

I haven't worn it yet, but I can feel it. I respect the privacy. Logistics is slow.
Value of praise
Customer service really lie, which is suitable for the small chest wear.. But okay..
Very good feel very comfortable
Pro is not the first time to wear the front button, a lot of people to reflect very comfortable, it may be the first time to wear it, do not wear a few times will feel very comfortable
Generally wear very uncomfortable