this review title is: does not last water gets in and the content is: this would be a good tooth brush had they designed it better water gets inside and stops it from vibrating some times i have to take the top off and separate it from the bottom for a few hours for it to dry out to get it to work also gunk builds up inside of it and looks pure disgusting after a few months i have had this about months now and i am tossing it in the trash.there are other information for this review, one is this reviewer did not purchase it and the other is 1 people think this review is helpful.