Ultrasonic Tooth Cleaner: Dental Care for Teeth and Gums Intelligent high-frequency sound waves produce same-frequency resonance with a vibration frequency of up to 32kHz+5kHz, effectively breaking up tartar and removing stubborn dental stains. Solve all your dental problems at home, giving you a confident, bright smile while protecting oral health. 80ml large water tank fulfills all-round cleaning needs. Different cleaning modes satisfy varying cleaning requirements, providing a comfortable and refreshing experience. Low mode: suitable for people with sensitive gums and mild calculus. Medium mode: suitable for people who want to quickly remove dental stains. High mode: quickly remove stubborn dental stains and calculus. Fully consider the needs of different people; For first-time use of the electric tooth cleaner, adjust to the gentle mode and gradually adapt to the vibration sensation. Type-c fast charging and powerful endurance give you worry-free travel. Charge once and stay worry-free, no need for frequent charging.