Feature:1. The cleansing power is strong and stable. Drive the water and toothpaste foam in the mouth to impact the blind area of the tooth gaps and clean the dental calculus.2. Effectively clean up the dirt on the tooth surface, between the teeth, the tongue coating, and the gingival sulcus.3. High frequency vibration cleaning, it can reduce wear, while ensuring that the gums will not be damaged when brushing, and will not cause bleeding.4. The whole machine is IPX7 waterproof, and it can be rinsed and cleaned directly under the tap after brushing.5. 4pcs of toothbrush head are available for use, meet your replace needs. USB charging design, long endurance.Specification:Condition: 100% Brand NewItem Type: Electric ToothbrushMaterial: ABSBrush Hair: Medium soft brush hairBattery Type: Built-In Lithium Battery (Included)Battery Capacity: 500mAhUse Crowd: 6 years old and aboveWaterproof Rating: IPX-7How to Use:1. Carefully insert the toothbrush head into the output shaft. There must be a little gaps between the toothbrush head and the main body, which is necessary for the normal vibration of the toothbrush head.2. In order to prevent the toothpaste from splashing, take a small amount of toothpaste on the brush head before use, and choose the appropriate gear according to your needs.3. Move the toothbrush slowly at a 45-degree angle between the bristles and the gums. Do not press the toothbrush too hard. Rinse with clean water after brushing. Package List:1 x Host1 x USB Charging Cable4 x Toothbrush HeadNote:When the product is not used for a long time or stored for a long time, it is recommended to charge and discharge once within three months.