CkeyiN Plaque Remover for Teeth, Ultrasonic Tooth Cleaner, Tartar Remover for Teeth Oral Care, Dental Calculus Remover with LED Display, Teeth Cleaning kit Plaque Remover, Safe for Adult KidsFeature:True Ultrasonic CleaningUltrasonic vibration of 2 million times/min causes no pain and no damage to your teeth, and cleans your teeth more thoroughly. It can easily solve a variety of oral problems, such as dental calculus, dental stains, tartar, tea stains, smoke stains and dental plaque.360 Annular Spotlight360 annular spotlight can give you a clear vision of your teeth while cleaning, thus making tooth cleaning more precise without dead angles.3 Adjustable Intensity & 2 Cleaning Heads3 intensity adjustment and 2 cleaning heads meet the needs of different groups and care your teeth easily.Fine Materials & Independent Dustproof CoverTooth cleaning tips are made of food-grade stainless steel, which does not rust or fade. The space aluminum alloy body with anodized surface has excellent feel and can easily handle falling, avoid paint peeling. Independent dustproof cover can keep your cleaning heads clean at all times.Intelligent Protection10 minutes default working time prevents overheating of the machine and prolongs service life.Specification:Material: Aluminum alloy+stainless steelBattery capacity: 600mACharging period: 2~3.5hUsage time: About 20 times (10 minutes at a time)Charging display: When charging, the indicator lamp flashes, and when fully charged, it is always on.Gear: 3Waterproof grade: IPX6Power: 3WVibration frequency: 2642kHzPower cord length: 80cm 2cmPackage Content:1 x Dental scaler1 x Odontoscope1 x Wrench4 x Jet tip1 x Dustproof cover1 x User manual1 x USB charging cable