this review title is: both work well together and the content is: brush heads are a little small but cordless unit fits my hand well runs a solid minutes the recommended amount of time to spend brushing can be restarted using button on front of unit great brand just a little pricey the powered pik unit shoots little blasts of antibacterial mouthwash or water it feels good to clean between teeth and around the gums both units came together in the same box.there are other information for this review, one is this reviewer did purchase it and the other is 7 people think this review is helpful.