| Features: Remove tartar, reduce oral odor, prevent oral diseases, restore your original healthy and whiten teeth, and have a fresh breath. The frequency is stable, the power is strong, the calculus is quickly removed at 42KHz/sec, and the teeth are cleaned efficiently, professionally and safely. APP real-time monitoring operation, high-definition image display, realize 360 degrees cleaning without dead angle, safe and effective without hurting teeth, use it with confidence. 3-speed mode, gentle mode for beginners, medium mode to remove smoke stains, coffee stains and other stubborn tartar, and strong mode to remove tartar. Elegant handle design, portable rechargeable battery, smart mode | |