Features: [4 Modes]The tooth cleaner comes with 4 modes (clean, soft, comfort, gum care) for sensitive gums and teeth stains. [Useful]With high-frequency vibration technology to remove tartar from teeth and solve most of the oral problems. [Widely Applicable]A good choice for kids (Over 12 years old), adults, elders, even pets. [USB Rechargeable]Built-in 500mAh lithium battery, and come with a charging cable, applicable to a variety of charging equipment. [Great Gift]This lightweight tartar remover is absolutely a great teeth care product for you and your loved ones.