IPX6 waterproof design provides protection against water splashes and spray during brushing, making it suitable for use in the bathroom and with water exposure typical to kids. Designed for children aged 315 to help develop good brushing habits from an early age. Smart brushing timer and reminders 2minute total brushing timer helps ensure the recommended brushing duration. 30second zonechange reminder prompts the child to move to a area for thorough cleaning. Operation is simple with a single light press to start. cleaning performance 19,800 vibrations per minute deliver a cleaning frequency that suits children's mouths for effective plaque removal and deeper cleaning. 23 practical use scenarios Morning and night brushing at home: supports consistent daily oral care for children. Brushing education with parents: parents can guide and monitor progress using the timer and zone reminders. Safe use in bathrooms or travel environments: IPX6 waterproof rating provides resilience against common water exposure.