calculus remover: electric calculus remover, with high-frequency vibration technology, can effectively separate dental plaque, calculus and stains, and easily remove hard tartar on teeth.High-quality and safe materials: alloy steel and food-grade silicone, non-slip and easy to scratch, tartar remover is safer for teeth and gums. of tartar removers: Each button has an identifiable function, which can simplify your operation and automatically select the last off mode when it is turned on.USB rechargeable: safe and fast charging via USB, convenient for charging at any time. cleaning: The tip of the surface cleaning head is flat and can clean the surface of the tooth without causing damage. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to . We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!