Specifications Waterproof: YesMaterial: high qualityPower Mode: ElectricMode: dry batteryVoltage: Dc1.5velTypes of Electric Toothbrushes: Sonic Product Advantages1. Up to 18,000 vibrations per minute, quickly generate high-frequency flow cleaning power, deep brushing gaps and oral blind spots2. Specially designed for baby's palm, more non-slip, more comfortable to hold.3. Cute cartoon style, make the baby more loving and increase the interest in brushing teeth4.abs environmental protection body, wear-resistant, no worry about damage5. The whole body can be washed and cleaned, keep your child's toothbrush clean at all times6. Universal brush head: removes small stains and residues on teeth and protects gums. DuPont Brush Head: Remove stubborn stains and say goodbye to the yellow teeth that come with it.1. It is recommended to replace the brush head once a month2. This product is suitable for children aged 3-143. The battery of this product has been installed for the baby and can be used for 1 to 2 months. If you don't have electricity, you need to buy it yourself4. Prevent toothpaste from overflowing and squeeze out the amount of toothpaste5. Put the brush head away before starting the machine: after each brushing, put the brush head into the water, turn on the switch and shake it a few times to clean up the remaining foreign matter.6. After each brushing, put the brush into the water, turn on the switch, shake it a few times, and clean up the remaining foreign matter on the bristles.