Product user guide is available with each chair which will guide you through various functions that the chairs have to offer. Furthermore, at the time of delivery a full demo can be scheduled which will give you great comfort in understanding the potential of the product.
The product is so robust that at any point in time including during the session, you can turn the power off and chair will restore to default settings, so we urge you to experiment different modes till you get the one that is most relaxing for you.