Your child will gain interactive sonic power while having fun at the same time. Sync toothbrush with Philips Sonicare for Kids app. Using the app kids are lead to brush longer and better. Keep track of brushing time. Dynamic cleaning action drives fluid between the teeth. Provides over 500 strokes per second. Low mode for younger children. High mode for older kids. App compatible with iOS and Android devices. Includes: Bluetooth enabled brush handle. Standard brush head for kids. 8 Customization stickers. 2 Bonus stickers.