Features1Strong and stable cleansing force, destroy insoluble dirt, remove stain and maintain teeth health. 2Effectively protect the gums, promote periodontal blood circulation, and reduce the occurrence of periodontal diseases. 3The product adopts all?round IPX7 waterproof sealing design, easy to clean, can be cleaned in the sink. 4Adopts high quality brush head, soft and skin?friendly brush hair, efficiently clean without damaging the gums. 500mAh lithium battery, USB charging design, compatible with mobile phone charger, easy to charge.SpecificationCondition: 100% Brand NewItem Type: Electric ToothbrushMaterial: ABSBuilt-In Battery: Lithium Battery 500mAhWaterproof Level: IPX7 LevelSize: Approx. 220 x 25mm / 8.7 x 1inHow to Use: 1. Insert the toothbrush head carefully into the output shaft. There must be a little gap 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 brush hair and the gums. Do not press the toothbrush too hard. Rinse with clean water after brushing.Package List1 x Host 4 x Toothbrush Head 1 x USB Charging Cable 1 x Manual