Suitable for children ages 7-12U-shaped single-mouth design silicone brush head wraps the exposed teeth around with a thin strip of silicone so that the teeth can be cleaned without dead spots"3 Mode Options: 1. Gentle massage: soft and clean, soothes the gums;2. Medium cleaning: effectively remove plaque and stains;3. Deep cleaning: clean and brighten teeth at the same time"Charging time is less than 90 minutes, can be used for more than 1 week on a full chargeFeatures a all-around IPX7 waterproof seal design, which is durable and wearablePackage Contents1 x Toothbrush1 x Charging Cable1 x User Manual"Material: ABS + SiliconeColor: Blue, PinkRated Voltage: 3.7VRated Power: 5WVibration Frequency: 24000 rev/ minPackage Size: 16.5 x 9 x 5cm