offered by "wanting more" to test it. Very convincing results. When I brush my teeth with the brush electric toothbrush, I feel out of the dentist. My teeth are smooth, less tartar settles, an impression remains clean and well being. The Smart Guide gives the tempo to my brushing, which realize the fun and effective. 6 brushing modes are possible. Possible connection with the smartphone if your phone accepts the application. I become a believer and a convinced. The technology combines efficacy, and I like it more beaucoup.De in a bathroom, I find that the device is aesthetic.