Ubright electric toothbrush Nanometer technology Nano capillary, every particle is a 10000 times thinner than a human hair Poisonless and harmless No usage of chemicals Physical decontamination No harm for enamel. Internal nano capillary absorbs tartar automatically. Clean and environmentally-friendly Whiten your teeth only with water. The ubright electric toothbrush can rapidly remove tartar and teeth stains like yellow teeth, black teeth and plaque caused by smoking, drinking tea/coffee, chewing areca, daily diet and water impurities.You have only to put the ubright electric toothbrush on the tartar and brush it softly.The stain and discoloration will be removed with no harm to the enamel. Nanophase materials Ubright is made of fourth-generation nanophase materials.Amazing ubright electric toothbrush will resolve the annoying problems of teeth. It was made using the latest nanometer technology with super-high density nano foam.Its internal has a nano capillary structure which can remove tartar on surfaces without any chemical cleaning agents.The exquisite brush material is soft, non-toxic, harmless, efficient and convenient.You can clean your teeth easily only with water, and no scratches will be left on your teeth. It helps your teeth being more healthy and shining, and makes your smile more charming.