this review title is: do not waste your money and the content is: product looks greatthe bubbles are useless and vibration is so minimal i thought it was not working i could feel nothing with my feet so put my hand in and detected a very small vibration the temp is not variable and was too hot for mei am very disappointed.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.