Ultrasonic Teeth Cleaner Kit USB Rechargeable Oral Care Deep Cleaning Dental Calculus Tooth Cleaner Calculus Remover Tools
Three gears option:
Soft gear: suitable for novices, gently remove tartar and dental stains. White gear: remove stubborn tartar,such as cigarette stains, coffee stains and tea stains etc. Strong gear: remove the formed dental calculus and clean the teeth more strongly.