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Ultrasonic Scaler Electric Portable Household Dental Scaler Storable Tooth Cleaner Oral Calculus Tartar Remover Dental Plaque Stain Cleaning Teeth Whitening Device USB Charging Features: 1.Real ultrasonic cleaning, deep cleaning of the mouth, efficient cleaning of teeth without damaging teeth and gums, bringing a fresh and clean feeling to the mouth. 2.It can whiten teeth, freshen breath, effectively remove stubborn stains and tartar, and improve oral problems such as swollen gums, bleeding gums, yellow teeth, black teeth, and bad breath. 3.Three modes (gentle mode/comfort mode/strong mode) fully meet the oral cleaning needs of different groups of people and different dental conditions. 4.gap design: unique new design, avoids the tooth scaler to start working due to contact with hard objects when it is turned on, preventing accidental damage. Specifications: Material: ABS+stainless steel Color: White Size: 2.7*2.4*18cm Weight: 0.165Kg Packing size: 6.2*4.5*20cm Rated voltage: 3.7V Charging time: 3-4H Number of camera boxes: 300,000 Watt hours: 1.665Wh Ultrasonic frequency tracking: 36KHZ Battery capacity: 500mAh the third strongest Rated voltage: 3.7V Charging time: 3-4H Gear frequency: Without tip: 44KHz±2KHz Installed tip: 35KHz±2KHz Battery: polymer battery Packing List: 1* host 1* Dental mirror 1* pointed tooth cleaning needle 1* Flat tooth scaling needle 1* small wrench 1* drawer box 1* Type-C Charging Cable 1* English User Manual