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- Welcome to our store！ - It Is An Honor To Meet You - Offering beautiful items to loved ones- Product parameters Product name: Ultrasonic dental cleaner Working voltage: 3.7V Limit circuit: 150mA Battery capacity: 400mAh Working gear: Third gear Waterproof grade: IPX6 Packaging size: 20 * 11 * 3.3cm/0.21kg Packing size: 37x22.5x57cm/10.5kg-50pcs Packing list: Main unit, oral care head * 4 (stainless steel pointed head, flat grinding head, toothbrush head, tongue coating head), mask, USB cable, instruction manual Product certification: FCC CE ROHS Product features 1: The standard configuration includes four heads and masks, strong light auxiliary lights, and a large battery capacity; 2: High quality materials: food grade silicone/ABS/304 stainless steel head, IPX6 waterproof structure; 3: High frequency vibration technology: Using ultrasonic vibration to clean dental stains and solve most problems such as tartar and plaque. The electric tartar remover can gently remove tartar by hand; 4: 3 adjustable modes: 3 adjustable strength modes, suitable for rubber materials with different sensitivities.