Otherwise, the belt does its job, just as you would expect from this type of equipment. Whether it works wonders? Probably not, but every little bit extra (whether through training or by electrical stimulation) brings an a little bit closer to his goal ...
In winter, a noticeable when worn under clothes is conceivable because the belt is relatively flat. He also feels on the body good.
The large adhesive electrodes are a little getting used to and should be treated with care, so they last as long as possible.
So if you have no time to exercise, which can be (provided you have appropriate body mass) recommend the belt, but not with chips watching television ;-)