Product name: Electric tooth scaler Product material: ABSandstainless steel Charging method: USB interface Battery capacity: 400ma Rated voltage: 3.7V Vibration frequency: 22000 times/min Waterproof grade: IPX6 Color: white, green, black Specifications: Super Soft Care Type Toothbrush HeadSoft and tough, deep clean between teeth and avoid damage to teeth and gums Medical-grade alloy steel headIntelligent high-frequency vibration, easy to remove stones and dirt [IPX6 waterproof] The whole body can be washed with any water, and it will not get moldy after soaking in water for a long time. [Deeply clean the blind spots of the mouth] Powerful disintegration of plaque and bacteria, brushing a mouthful of shiny teeth [Multiple brushing modes] One-key switching to meet different oral needs Package Included: Electric toothbrushx1 set