Designed in an irresistible matt black Navigate through settings with intuitive, one-button operation Three power levels: start with 22,000, clean with 32,000 and smile with 42,000 rotations per minute Hydrodynamics ensure effective cleaning into interdental spaces With up to 42,000 rotations, the Black Is White Hydrosonic toothbrush removes biofilm and discolouration, yet is ultra soft on teeth and gums. 3x Three cleaning levels – from 22,000 to 42,000 wonderfully gentle brush strokes a minute Powerful battery: More than 60 minutes brushing from one USB charge – always at full power two carbon brush heads – activated carbon filaments for gentle whitening Perfect cleaning: Even in hard-to-reach areas thanks to CURACURVE® – small bend, big difference