CLEANING EFFECT 3 times greater than other electric toothbrushes These sistas in a U -shaped sows adapt to the shape of the teeth and push toothpaste to areas difficult to reach with 40000 vibrations per minute eliminating spots and refreshing the breath 8 Brush heads last 24 months Sound tooth brush comes with 8 replacement heads each brush head lasts up to 3 months so it will be more than 24 months total forget about the problems of regular load lasts 90 days after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours after 3 hours Complete loading brush of electric toothpipe comes with a USB load cable to load anywhere IPX7 design to easily rinse the water after each use Enjoy private customization The sensitive mode serves to protect its sensitive gums the cleaning mode It serves for your daily dental care The whitening mode can use it once a week the polished mode serves to have brighter teeth and finally the massager mode can strengthen your teeth Develop healthy habits of 2 -minute timer timer brushing Guarantee a scientific brushing time stops every 30 seconds to remind you of changing the brushing area