After many electrical in front of her I've finally found you. This is an effective e-toothbrush that keeps its promises. One feels much fresher than before after every brushing. Powerful motor and innovative brush head technology found here a perfect blend. With the external display which is controlled by radio from the brush you always have all the important information such as brushing time and the right to preening angle view. If the brush head not yet be supposed to be shown in the display, I had so far, is yes new part. I do not want to miss the Braun Oral-B Triumph 9900 with SmartGuide (external display), which brings really what was, to me the way recommended by my Dentist (no joke).