USB Rechargeable：Safe and fast charging way by USB. Charging once can be used about 200 times, travel without worrying about power loss.
More flexible And Safer For Use: 5 Grades of adjustable frequency to remove stubborn calculus, tartar and teeth stain. Automatic outage after fully charged, auto-protective and energy saving.
Using Only The Safest Materials: Food-grade silicone/PC/ABS/304 stainless steel head, IPX6 level waterproof security system and rechargeable, ensure security and convenience
Portable Design: Electric Dental Calculus Remover is convenient to have dental care at home, remove the attachment on teeth in time. The low-cost solution in comparison to the dentist and ideal to keep it handy in the bathroom or to take with you when you travel.