Electric tooth brushes 40 thousand vibrations per minute electric toothbrush equipped with a leading motorized motor in the world to generate 40000 VPM dissolve the deep dirt of the teeth effectively the cleaning effect 10x that the manual toothbrush 7 days for Blanque the teeth and 14 days for healthier teeth 8 brush heads last 24 months sonic tooth brush comes with 8 replacement heads each brush head lasts up to 3 months so it will be more than 24 months total the brush is designed from U and heads can adapt perfectly to the gums and the topography of the teeth are easy to reach deeply between the teeth Enjoy private customization The sensitive mode serves to protect their sensitive gums The cleaning mode serves for their daily dental care The bleaching mode can use it once a week the polished mode serves to have brighter teeth and finally the massage mode can strengthen your teeth Forget about the problems of the regular load lasts 60 days after 3 hours of full load brush of electric teeth comes with a USB load cable to load any IPX7 Design IPX7 Waterproof to easily rinse the water after each use 2 -minute timer this electric toothbrush incorporated a 2 -minute tooth brushing brushing timer to achieve the time recommended by the dentist and with an interval pause every 30 seconds always informs when replacing the brushing area to promote a healthy brushing habit