Electric Tooth Cleaner Calculus Remover Household Tooth Cleaner Beauty Tooth Instrument Tooth Cleaning Tooth Cleaning Tooth Washing Device FEATURE: Healthier Tooth Care for: The tooth cleaner can effectively separate calculus and stains, easily hard on the teeth, and disease. Vibration technology: technology, 36,000 times per minute frequency, effectively crush stubborn calculus, reduce artificial tooth enamel and damage. USB rechargeable: USB safe and fast charging. It can be used about 200 times per charge, so there is no need to worry about power loss when traveling. flexible and safer to use: The frequency can be adjusted in 4 to stubborn calculus, tooth stains. Automatic power failure full charge, automatic protection and energy saving. Use the safest materials: IPX7 system, rechargeable, to ensure and convenience. Compared with the dentist, the cost is low, and it is very suitable to be carried in the bathroom or when traveling. SPECIFICATION: Rated voltage: 3.7V Material: ABS Size: 22x3.1cm PACKAGE INCLUDES: 1Electric Calculus Remover Set Notes: Due to different monitors and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks! Please allow slight measurement deviation due to manual measurement.