Strong at removing plaque and gentle on the gums, ISSA™ kids uses soft, medical-grade silicone and sonic pulsations to gently clean the tongue and gums. Offering all the brushing benefits of an electric toothbrush, while perfecting a natural hand gesture, it provides up to 265 days of use with just a 1-hour USB charge. The hybrid brush head lasts up to 6 months, but the best part about ISSA™ kids is the fun animal themes and smiling faces that encourage a 2-minute morning and evening routine - because brushing doesn't have to be boring! Cleans teeth well, preventing tooth enamel damage and gum irritation.Removes plaque, gently massages gums, and cleans tongue and cheeksSmiling and Sad Smile Helpers and built-in timer help establish proper oral hygiene habits