The Oral B toothbrush Although no ultrasonic toothbrush but faster than the little sister of the series. Therefore this brush cleans better. Even our dentist said you can brush these quiet everyday use you just need to be careful not to press too hard. This prevent the brush by an extremely bright red flash in too much pressure and you can not take away other than pressure. The light is very well placed and you can see it also with toothbrush in his mouth. The brush vibrates every 30/45 seconds depending on the set mode, recalling the exchange of Mundquaranten. In conjunction with the app it is not boring and you holding the 2 / 3Minuten of brushing thanks displayed messages, photos or videos by better;)