C is the 4th brush Oral B tooth at home (for 2 adults 6 children) it is clear that we must equip s widely in electric toothbrushes of this family that are robust and effective. Highlight: all chargers are compatible with each other, so all brushes are responsible on bases other! This one also comes with a new generation of heads "whiten". More details in the next post in a few weeks! ;)