Three replaceable brush heads:Soft bristles toothbrush heads: DuPont brush heads from the United States are used to clean teeth deeply.Clean teeth hard: quickly remove stains, tartar and calculus.Tongue cleaning head: stainless steel, specially used to clean the tongue, brush the front side and scrape the back side to keep the mouth fresh.With LED spotlight, it can help clean the oral cavity.IPX6 waterproof, support body washing.Non-slip silicone body design, integrated button, accord with ergonomics.3 levels of cleaning intensity adjustment, low frequency care, standard mode and high frequency vibration, you can choose according to your needs.Product Name: Three-in-one dental scalerMaterial: ABSWeight: 0.162kgVolume: 20*15*4cmProduct Type: SonicApplicable people: generalWaterproof rating: IPX6Power supply mode: USBBattery capacity: 400mAhWorking gear: 3 gearsPacking list: host, toothbrush head, hard head, tongue coating brush head, USB charging cable