Rubberized brush heads The rubberized brush head of this electric toothbrush is designed to help protect growing teeth. Soft bristles provide gentle brushing to protect young mouths. Brush that grows with your child This Philips Sonicare electric toothbrush has two brush head sizes that are specifically designed to gently clean and protect teeth as they grow Small: age 4-6 Medium: age 7+ Easy-start programme Gently increases duration of treatment over 90 days to the recommended 2 minutes, to ease children into good dental habits. 2-minute timer 2-minute timer automatically tracks brushing time, ensuring recommended brushing regime is followed and turns the toothbrush off when brushing is complete. Quadpacer interval timer with fun sounds 30 seconds interval timer with fun sounds to let your child know when to move to another quarter of their mouth, resulting in more consistent cleaning throughout your mouth. Anti-roll shape Sturdy handle design allows kids to store upright as well as apply toothpaste while the toothbrush is lying flat. 2 power modes With two kid-friendly power modes, this power toothbrush provides proper cleaning for different ages; a low mode for younger children and high mode for older kids Dynamic Sonic cleaning action Sonicare's unique dynamic cleaning action drives fluid between the teeth, effectively cleaning every surface, even between the teeth and along the gumline, for a difference you can see and feel. Reminder bristles Reminder bristles gradually fade, indicating when it's time to replace brush heads. If the brush is used twice a day for the full two minutes, it needs to be replaced every three months. Long battery life Exceptionally long 3 weeks of use on a single full charge or 42 2-minute brushings Brushing mode Clean - the standard mode for a whole mouth clean